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Mars Cube One (or MarCO) was a Mars flyby mission launched on 5 May 2018 alongside NASA's InSight Mars lander. [5] It consisted of two nanospacecraft, MarCO-A and MarCO-B, that provided real-time communications to Earth for InSight during its entry, descent, and landing (EDL) on 26 November 2018 - when InSight was out of line of sight from the Earth. [6]
The thrusters of the InSight lander dug pits during landing beneath it at its landing site.. For landers that are even heavier than the Curiosity rover (which required a 4.5 meter (15 feet) diameter aeroshell), engineers are developing a combination rigid-inflatable Low-Density Supersonic Decelerator that could be 8 meters (26 feet) in diameter.
Here we report on the geology and subsurface structure of the landing site to aid in situ geophysical investigations. InSight landed in a degraded impact crater in Elysium Planitia on a smooth sandy, granule- and pebble-rich surface with few rocks. Superposed impact craters are common and eolian bedforms are sparse.
– Unsuccessful soft landing, intentional hard landing, or mission still in progress. – Successful soft landing with intelligible data return. The tannish hue indicates extraterrestrial soil. – Successful soft landing, intelligible data return, and sample return to Earth. The greenish hue indicates terrestrial return.
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Video of descent and touchdown of Perseverance. Mars atmospheric entry is the entry into the atmosphere of Mars. High velocity entry into Martian air creates a CO 2-N 2 plasma, as opposed to O 2-N 2 for Earth air. [1] Mars entry is affected by the radiative effects of hot CO 2 gas and Martian dust suspended in the air. [2]
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