Answers to Space Science Questions

Is it possible to see a gamma ray burst in the sky? I saw something in the sky flash on and off one night.

How do scientists measure the life of the sun?

How far is the nearest galaxy?

Is it true that someone's head would explode if you went out into space without a helmet on?

How many human years are there in a light year?

In 1993 or 1994 during the darkest part of winter, I went outside and looked up. The sky was quite clear and there was...

You talked in the past about dropping an object down a tunnel that's been drilled right through the earth. I'...

I've had two sightings. The first one was big like an orange, and it was moving very sharply. It kept moving...

I've seen a UFO. It was 1959 from a block of flats in Hoburn. It was solid and looked like chrome and was 100 foot...

Where do people get all the information for the movies, and how do you know that aliens are really real?

On the day of the Rendlesham incident, I was in Beeston and it was a terrible snowy day. I took my dogs for a walk and...

Why is the sun so hot?

How long does it take the sun's rays to reach Pluto?

Why does it get darker earlier in the winter than it does in the summer?

How many cells are there in the brain, and how powerful is a black hole?

Is it possible that life on Mars managed to hitch a ride on a meteorite and started life on Earth?

If a meteorite hit the earth, could life be blown onto other planets?

Are there any substances on other planets that can be used for energy?

I was looking at the moon and saw what looked like a huge great rock float past it. What was it?

Does the sun affect the tides like the moon?

How long until the sun is a mile in diameter?

Where does the rainbow end?

Why don't rockets leave big holes in the ground when they launch?