The sunset on Mars has a bluish hue.
Why it is true
The Martian atmosphere is very thin and full of red dust. These particles absorb red light and allow blue light to penetrate the atmosphere more easily when the sun is near the horizon.
Source: NASA
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
Related facts
Space
A sunset on Mars appears blue to the human eye because fine dust in the Martian atmosphere scatters red light and allows blue light to penetrate more directly.
Space
A day on Mars is called a 'Sol' and lasts 24 hours and 37 minutes.
Space
NASA s Perseverance rover found organic compounds in Martian rocks.