{"id":2058,"date":"2023-01-27T00:00:00","date_gmt":"2023-01-27T00:00:00","guid":{"rendered":"https:\/\/www.nextias.com\/current_affairs\/uncategorized\/27-01-2023\/mission-aditya-l1\/"},"modified":"2025-04-16T12:37:36","modified_gmt":"2025-04-16T07:07:36","slug":"mission-aditya-l1","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/27-01-2023\/mission-aditya-l1","title":{"rendered":"Mission Aditya-L1"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-size: 13pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>In News<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Recently, the ISRO chairman <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>confirmed the launch of India\u2019s first mission<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> to <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>study the Sun<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> by <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>mid of 2023.<\/strong><\/span><\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>Key Takeaways<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The primary payload <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Visible Line Emission Coronagraph (VELC) <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">for Aditya-L1 was recently <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>handed over <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">to the Indian Space Research Organisation (ISRO) <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>by the Indian Institute of Astrophysics (IIA).<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Aditya-L1 mission<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> will be launched by ISRO to station the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>satellite into the L1 orbit <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">to <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>study the sun.<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The VELC is the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>largest and one of the most technically challenging<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> of the seven payloads\/telescopes that will fly on Aditya-L1.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>difference between the Sun&#8217;s <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">upper atmosphere&#8217;s temperature of 1,000,000 K and its lower temperature of 6,000 K is one of the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>most significant unresolved problems <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">in the study of solar physics.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The VELC payload is <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>expected to revolutionize solar astronomy<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> around the world and the data is expected to answer many outstanding problems in the field.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Following the successful launch of <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>AstroSat in 2015<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">, Aditya-L1 will be the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>second space-based project<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> in India.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">AstroSat was the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>first dedicated Indian astronomy mission launched by ISRO in 2015 with an objective <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">to study the celestial sources in <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>X-ray, optical and UV spectral bands<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> simultaneously.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 13pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>What is Aditya L1?<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Aditya-L1 is the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>first space-based Indian mission <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">to study the sun from <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>the Lagrangian point 1 (L1) <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">of the sun-earth system which is <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>roughly 1.5 million kilometres<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> from Earth.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The project was<\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong> initially proposed as Aditya-1, a 400 kg class <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">satellite carrying a single payload, the Visible Emission Line Coronagraph (VELC).<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">It was however <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>renamed &#8216;Aditya-L1 mission&#8217;<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> since the satellite was positioned in the hallowed orbit of the Sun-Earth system&#8217;s Lagrangian point 1 (L1).<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Named after one of many <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Sanskrit names <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">for the Sun- Aditya- is scheduled to be launched from\u00a0 <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Sriharikota, Andhra Pradesh<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> using the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Polar Satellite Launch Vehicle (PSLV-XL)<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The mission has <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>seven payloads on board<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> to observe the photosphere, chromosphere, and the outermost layers of the sun viz.,<\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Visible Line Emission Coronagraph (VELC),\u00a0<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Solar Ultraviolet Imaging Telescope,<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Aditya Solar Wind Particle Experiment,\u00a0<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Plasma Analyser Package for Aditya,\u00a0<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Solar Low Energy X-ray Spectrometer,\u00a0<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">High Energy L1 Orbiting X-ray Spectrometer,<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">Magnetometer.<\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The mission will <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>capture near-simultaneous photos<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> of the many layers of the Sun&#8217;s atmosphere, revealing <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>how energy is routed and transported from one layer to the next.<\/strong><\/span><\/span><\/span><\/li>\n<\/ul>\n<div>\n<table style=\"border-collapse: collapse; border: none; width: 666px;\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td style=\"background-color: #fff2cc; vertical-align: top; width: 666px; border: 1px solid #000000;\">\n<p style=\"text-align: justify;\"><span style=\"font-size: 13pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>What are<\/u><\/strong><\/span><\/span><\/span><u> <\/u><span style=\"font-size: 13pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>Lagrangian points<\/u><\/strong><\/span><\/span><\/span><span style=\"font-size: 13pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><u>?<\/u><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">These are <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>specific locations<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> in space <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>where the gravitational forces<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> of two large bodies, such as the Earth and the Moon or the Earth and the Sun, <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>balance the centrifugal force<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> experienced by a smaller object, such as a satellite.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">There are f<\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>ive Lagrangian points<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">, labelled L1 through L5, in the three-dimensional space surrounding two large bodies in orbit around each other.<\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>L1, L2, and L3<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> are located on a line that connects the two large bodies and <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>are unstable equilibrium points<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">, meaning an object placed there will not stay in that position without continuous propulsion.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>L4 and L5<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">, on the other hand, are located at the third corners of a tetrahedron formed by the two large bodies and their barycenter, and are <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>stable equilibrium point<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">s, meaning an object placed there will remain in that position without propulsion.<\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">These points have been used in various space missions, such as the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Solar and Heliospheric Observatory (SOHO) <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">which orbits the Sun-Earth L1 point, allowing it to have a continuous view of the Sun.<\/span><\/span><\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>Why is the mission important for India?<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The payload data will <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>help understand the effect of the Sun on the Earth<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> and its surroundings, especially in studying the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>patterns and impacts of solar flares.<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">The scientific studies by the satellite will <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>enhance our current understanding of the Solar Corona <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">and also provide vital data for <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>space weather studies.<\/strong><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">VELC will help to o<\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>bserve the corona continuously<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> and the data provided by it is expected to answer many outstanding problems in the field of solar astronomy.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>No other solar coronagraph<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> in space has the <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>ability to image the solar corona as close<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> to the solar disk as VELC which <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>can image it as close as 1.05 times<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> the solar radius.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">It can also <\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>do imaging, spectroscopy, and polarimetry <\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">at the same time, and can take observations at a very high resolution (level of detail) and many times a second.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong><u>Other Missions to the Sun<\/u><\/strong><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>NASA\u2019s Parker Solar Probe:<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"> Its aim is to trace how energy and heat move through the Sun\u2019s corona and to study the source of the solar wind\u2019s acceleration.<\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: disc;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Helios 2 solar probe<\/strong><\/span><\/span><\/span><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\">: It was a joint venture between NASA and space agency of erstwhile West Germany, went within 43 million km of the Sun\u2019s surface in 1976.<\/span><\/span><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><span style=\"font-family: 'Book Antiqua',serif;\"><span style=\"color: #000000;\"><strong>Source: TH<\/strong><\/span><\/span><\/span><\/p>\n\n\n<p class=\"has-background\" style=\"background-color:#ebecf0\"><strong>Further Reading:<\/strong> <a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/01-03-2025\/aditya-l1-captures-solar-flare-details\" data-type=\"link\" data-id=\"https:\/\/www.nextias.com\/ca\/current-affairs\/01-03-2025\/aditya-l1-captures-solar-flare-details\"><strong>Aditya-L1 Captures Unprecedented Solar Flare Details<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In News Recently, the ISRO chairman confirmed the launch of India\u2019s first mission to study the Sun by mid of 2023. Key Takeaways The primary payload Visible Line Emission Coronagraph (VELC) for Aditya-L1 was recently handed over to the Indian Space Research Organisation (ISRO) by the Indian Institute of Astrophysics (IIA). The Aditya-L1 mission will [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2059,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[26,43],"class_list":["post-2058","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-gs-3","tag-space"],"acf":[],"jetpack_featured_media_url":"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2023\/07\/3546680Screenshot_6.png","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/2058","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=2058"}],"version-history":[{"count":1,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/2058\/revisions"}],"predecessor-version":[{"id":41276,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/2058\/revisions\/41276"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media\/2059"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=2058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=2058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=2058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}