Rounded off to the nearest trillion, how many miles is in a light year?
What are super galaxial nebulae?
Who were the ancient indian astronomers?
Does astronomy help you with other things in life? If yes, what?
Tell me how many moons does uranus have?
How big is venus?
Name the part of the sun that we can see without any instruments?
Which was the first space rocket to hit the moon?
How have some stars had time to die since the universe began?
Explain is pluto really a planet?
Is there water in moon rock?
Give the common name for the phenomenon which is the result of sunlight reflecting off the earth and faintly illuminating the darkened portion of the moon?
When did solar system come into existence? What is the expected life of solar system?