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India To Launch Shukrayaan Venus Mission In 2024 After Covid 19 Delays

India plans to launch a new orbiter shukrayaan to Venus in 2024, a year later than planned, according to media reports.

The Shukrayaan orbiter will be the first mission to Venus by the Indian space Research Organisation (ISRO) and will study the planet for four years,  which cited a presentation by an ISRO research scientist at a NASA-chartered committee Nov. 10. 

ISRO has been soliciting ideas for instruments for a Venus-based mission since at least 2018, according to its website. At the planetary science committee, ISRO’s T. Maria Antonita presented more information about Shukrayaan during a discussion about NASA’s new 10-year plan.

“ISRO was aiming for a mid-2023 launch when it released its call for instruments in 2018, but Antonita told members of the National Academies’ decadal survey planning committee last week that pandemic-related delays have pushed Shukrayaan’s target launch date to December 2024,” SpaceNews stated in a Nov. 19 report. 

A backup launch opportunity is available when Venus and Earth are next aligned in mid-2026, in such a way to minimize spacecraft fuel use during the planetary transit, Antonita added.

Shukrayaan is set to launch on India’s GSLV Mk II rocket, but it may go on the more powerful GSLV Mk III rocket to carry more instruments or fuel, Antonita told the committee. ISRO will make a final decision in the next three to six months.

The spacecraft will carry several instruments to probe the Venusian environment. The flagship instrument will be a synthetic aperture radar to examine the Venusian surface, which is shrouded by thick clouds that make it impossible to glimpse the surface in visible light. An earlier version flew on the Indian Chandrayaan 2 orbiting now orbiting the moon.

Another instrument will be a Swedish-Indian collaboration known as the Venusian Neutrals Analyzer, which will examine how charged particles from the sun interact with the atmosphere of Venus.

An earlier generation of this instrument launched on the Indian Chandrayaan 1 moon mission of 2008-09, studying how the sun’s particles affect a world with a far more tenuous atmosphere.

Shukrayaan will also bring an instrument to Venus to examine the planet’s atmosphere in infrared, ultraviolet and submillimeter wavelengths, Antonita said.

Earlier in 2020, scientists announced the possible detection of phosphin a life friendly element in Venus’ atmosphere, although many  in the science community remain skeptical of the findings.

In September, the French space agency (CNES) announced it would also fly an instrument on Sukrayaan. The Venus Infrared Atmospheric Gases Linker (VIRAL) is a collaboration with Russian federal space agency Roscosmos.

Other instruments have been shortlisted and that India plans to fly an instrument from Germany.

Dozens of missions have flown to Venus since the 1960s, but only a few in recent years. For example, the European Space Agency’s Venus Express orbited the planet between 2006 and 2014, and Japan’s Akatsuki spacecraft entered orbit in 2015 after a previous unsuccessful attempt.

Several spacecraft are also performing flybys of Venus in the near future, including NASA’s Parker Solar Probe for solar observation, and Europe’s BepiColombo en route to Mercury.

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YATISH MAHAJAN

I am Yatish Mahajan. Defence aspirant, want to wear stars on shoulders. At present pursuing BE in mechanical engineering.

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