Solar System Postcards

Lunar landscapes It may seem silly to assign great value to the emotional power of photos taken by future astronauts. Scientists will say that only experimental results matter and that beautiful pictures are little more than fantasy. If…

What is an asteroid belt?

The asteroids in the solar system are much talked about, and many of them are clustered between the orbits of Mars and Jupiter in a structure known as the asteroid belt, which travels around the Sun along with the other planets. But…