Why did Mars change from blue to red? This video by a National Geographic explorer explains what happened.
Earth and Mars started off as very similar planets, which is why scientists are so interested in studying Mars. But there was one key difference which had huge ramifications – size. Mars is approximately half the size of Earth. As this video by National Geographic Explorer Brendan Mullan explains, this even accounts for the disappearance of Mars’s oceans:
Image credit: NASA’s Goddard Space Flight Center
This article is a helpful resource for Deep Space Diary Activity 3.4: Pack Your Payload. Engineers working on NASA’s James Webb Space Telescope have successfully folded and packed its sunshield for its upcoming million-mile (roughly 1.5 million kilometer) journey, which begins later this year. The sunshield — a five-layer, diamond-shaped […]
Read more →In preparation for the ExoMars rover Mars landing, scientists are creating 3D models (called Digital Terrain Models, or DTM) of the terrain in Oxia Planum.
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