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jhhhhh
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jhhhhh
Questions (4)
A human-operated spaceship reaches the moon in 3 days. The moon is about 386,400 km from Earth. Mars, our closest planetary
6 answers
669 views
Use the diagram to answer the question.
An illustration shows the sun and the eight planets. The planets are Mercury, Venus,
3 answers
444 views
Why do astronomers use astronomical units (AU) instead of kilometers (km)?(1 point)
AU is used in astronomy, while km is used in
1 answer
200 views
Why do astronomers use astronomical units (AU) instead of kilometers (km)?(1 point)
AU is used in astronomy, while km is used in
4 answers
425 views