Science | Space | The Solar System

In the Solar System Channel, you can explore the planets and celestial objects around our own sun. Learn about topics such as Mars, Jupiter and the Moon.

Featured
How did a meteor make hundreds of people sick?

A ball of fire blazed through southern Peru and left a huge crater -- and then villagers started getting sick. Early reports said the groundwater boiled and the air filled with sulfur. What happened?


What is the Chandler wobble?

What is the Chandler wobble? See more »

Could I see a flashlight beam from Earth on the moon?

If I was on the moon and the earth was black (no lights were on) and a flashlight was turned on facing the moon, would I see the light? If I couldn't, would there be any way to detect any residual matter that came from the light on Earth or does light die after a certain distance? See more »

If nature abhors a vacuum, then why doesn't the vacuum of space suck away all of the Earth's atmosphere?

If "nature abhors a vacuum," then why doesn't the vacuum of space suck away all of the Earth's atmosphere? See more »

Can the curvature of the Earth only be seen from outer space?

Can the curvature of the Earth only be seen from outer space? See more »