Solar winds create a bubble that cover our entire solar system! Scientists call this the sun's heliosphere.
Star light, star bright, the first star I see tonight... What is this legendary star? Is it even a star at all?
Have you ever tried this Malaysian favorite? We've heard that it's out of this world. Literally!
What is the difference between an asteroid and a comet?
If you were standing on the moon would you really get to see the earth rise and set?
Where did the nine planets that orbit our sun come from?
Nowadays everybody knows there are nine planets in our solar system, but that information was hard won.
You’re out on a clear, starry night with your best friend, looking for shooting stars. Look, there’s one, your friend shouts, but by the time you look, it’s gone. There’s another, she cries. Too late, you missed it. Then one comes along that seems to just amble across the sky, nice and slow. Why is it that some shooting stars are so fast and others are much slower? Learn more on this Moment of Science.
On last count, there were nine planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. Soon, however, we might need to add a tenth planet to the solar lineup. Learn more on this Moment of Science.
A geostationary satellite orbits the equator in the same direction and speed the earth turns. That means the satellite stays stationary with respect to the ground. It seems to be hanging in mid-air, if by mid-air, you mean 22,500 miles high. Learn more on this Moment of Science.