David Grinspoon (@DrFunkySpoon): Shukrayaan-1 (Venus craft) is a proposed orbiter to Venus by the Indian Space Research Organisation (ISRO) to study the surface/subsurface and atmosphere of Venus. Also chemistry, & solar radiation and solar wind.

Dec 06, 07:29 AM

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David Grinspoon (@DrFunkySpoon), Senior Scientist, Planetary Science Institute; Adjunct Professor of Astrophysical and Planetary Science, University of Colorado; in re: Mars and Venus – Indian space agency is sending a probe to Venus. The Indian Venusian orbiter mission is a planned orbiter to Venus by the Indian Space Research Organisation (ISRO) to study the atmosphere of Venus. It’ll be launched some time after 2020. Venus’ volcanoes, clouds of sulfuric acid, and runaway greenhouse effect. 

Was Venus once like Earth in its distant past, and what clues might it provide about the future of our own planet?  Venus’ backward rotation and “forever sunsets,” plus the remarkable and heroic “Apollo 11”-like story of the Akatsuki spacecraft.

Based on the success of Chandrayaan and the Mars Orbiter Mission, ISRO has been studying the feasibility of future interplanetary missions to Mars and Venus, the closest planetary neighbours to Earth. The mission concept to Venus was first presented at a Tirupati space meet in 2012.[12] The Government of India, in its budget for 2017–18 gave the Department of Space a 23% increase. Under the space sciences section, the budget mentions provisions "for Mars Orbiter Mission II and Mission to Venus", and following the 2017–18 request for grants, it was authorized to complete preliminary studies. 

The three broad research areas of interest for this mission include surface/subsurface features and re-surfacing processes; second: study the atmospheric chemistry, dynamics and compositional variations, and third: study the atmospheric interaction with solar radiation and solar wind.

Mysterious silver object on the surface of Mars.