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Space question rules-no Googling 30 min timing 

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Space question rules-no Googling 30 min timing 

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Can a star turn into a planet?

Can gravity form waves?

Does every black hole contain a singularity?

Does sound travel faster in space?

Does the influence of gravity extend out forever?

Galaxies look stationary, so why do scientists say that they rotate?

Have aliens ever visited earth?

Have astronomers ever observed a violet shift like they have blueshifts and redshifts?

How bright is a laser beam when viewed from the side?

How can astronomers know things for certain since they only look at space from one vantage point?

How can there be anything left in the universe? Don't black holes suck everything in?

How can you cancel out the jolt of a quick start?

How can you tell a black hole made out of antimatter from a black hole made out of matter?

How do space probes make it past the asteroid belt without crashing into asteroids?

How do space ships fly faster than light?

How do space ships make artificial gravity?

How do stars move when viewed from a speeding spaceship?

How does a black hole give off light?

How does a supernova destroy a star?

How does astrology work?

How does looking at distant galaxies allow us to look back in time?

How does the expansion of the universe make outer space a vacuum?

How large would a bucket of water have to be to put out the sun?

How long before the expansion of the universe causes our earth to drift away from the sun?

How long can a human in outer space last without a spacesuit before exploding?

How often does the sun's magnetic field flip?

I know that the gravity of the moon causes ocean tides on earth. How does the centrifugal force cause the far-side bulge?

Is Pluto a planet?

Since a star's light takes so long to reach us, how do we know that the star is still there?

Since one satellite can see half of the earth, why do we need more than two satellites in a given network?

What could a spaceship do if it stopped because it ran out of fuel?

What is the colour of the sun?

What is the overall electric charge of the universe?

What is the range of weapons if used in space?

What keeps space empty?

What keeps the North Star stuck at exactly North?

What keeps the sun spinning?

What kind of space ships can make banking turns?

What makes meteorites so hot that you can't touch them?

What makes space so cold?

What makes the Great Wall of China the only man-made object visible from space?

What would space ships look like in space?

When do the planets in our solar system all lineup?

Where is the centre of the universe?

Where is the edge of the universe?

Which space movie has the most accurate physics?

Why are all the stars fixed in space?

Why are stars not blurred even though the earth is moving?

Why did NASA spend millions developing a pen that would work in space when a pencil is just as good?

Why did people believe the earth is the centre of the solar system when it's obvious the sun is?

Why do the spikes that shoot out of stars form perfect crosses?

Why does everything in our galaxy orbit the supermassive black hole at the centre?

Why does the moon get bigger when it's closer to the horizon?

Why does the moon's gravity cause tides on earth but the sun's gravity doesn't?

Why does the sun not run out of oxygen as it burns?

Why doesn't the earth fall?

Why don't galaxies have a natural magnetic field like the earth does?

Why is gravity the strongest force?

Why is the moon so bright?

Why is there no gravity in space?

Why is there no up and down in space?

Will the night sky eventually end up completely black because the universe is expanding?

Would a guitar sound the same on a space station?