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Why do astronomers use astronomical units (AU) instead of kilometers (km)?(1 point)AU is used in astronomy, while km is used in
1. 1 answer
2. 535 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. 1 answer
2. 289 views
Use the diagram to answer the question.An illustration shows the sun and the eight planets. The planets are Mercury, Venus,
1. 1 answer
2. 536 views
A human-operated spaceship reaches the moon in 3 days. The moon is about 386,400 km from Earth. Mars, our closest planetary
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2. 806 views