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Showing posts from May, 2020

Why do stars twinkle and planets do not meritnation?

What evidence do we have that pulsars are neutron stars?

Why do some planets have rings and others don't?

Why is neptune bluer than uranus?

Why are the outer planets so massive?

Why do comets have tails when they come near earth?

Why do comets get smaller over time?

What caused the canals on Mars? Why was Mars said to have canals?

Why is Mars referred to as the Red Planet?

Why do venus and uranus spin backwards?

Why is venus sometimes called the morning star or the evening star?

Why does it take so long to get to another planet?

Why do we doubt that life exists in space?

Why do we talk about the Man in the Moon?

Why do we say once in a blue moon?

Why doesn’t the moon fall down to earth?

Why does the Moon sometimes shine by day?

What are the main reasons there are so few impact craters on Earth compared to the Moon?

Why did astronauts need spacesuits for a Moon landing?

Why did the first astronauts go to the moon?

Why is the force of gravity lower on the moon than on earth?

Why does the full Moon look as big as the Sun?

Why does moon have no air or water?

Why do we see different shapes of the moon every night from the earth

Why don't we see a lunar eclipse every month during a full moon?

Why do we always see the same side of the moon and never the other side

Why does the sun always rise in the east and set in the west ?

What are sunspots and why do they appear dark?

Why doesn't the sun get smaller or bigger

Why doesn't the sun ever burn out | How long will the sun last?