Voyager Phone Home
After historic visits to Jupiter and Saturn, Voyager 1 is now on course to be the first human-made object to leave our solar system. In space for more than 25 years, it has already traveled farther than any other spacecraft. It is not clear when Voyager 1 will…
Continue reading →
More science facts
Astronomy
Laser Guide Stars
Did you ever wonder why we have to have the Hubble Space Telescope so high up in the Earth's orbit? Why not…
Geology
Is The Sea Really On The Level?
When we measure the height of mountains, we measure from a constant number called sea level. For instance…
Geology
The Saffir-Simpson Hurricane Scale
The Saffir-Simpson Hurricane Scale is a 1-5 rating based on the hurricane's present intensity. This is used to…
Physics
Kinetic Theory of Gases
Air is a gas, and gases can be studied by considering the small scale action of individual molecules or by…