Star Color

Whenever you have a good look at the stars on a clear night, you’ll get to notice the range of colors that the stars have to offer. What causes the difference in colors? Different temperatures. Suppose you put a poker into a hot furnace – hot enough to make it start glowing. The first color […]

Asteroids

Send questions to Heart of the Valley Astronomers Asteroids are by far the most numerous inhabitant of our solar system, with thousands being large enough for astronomers to photograph. They may not have the visual glamour of comets, but asteroids give us their own sights and enable us to study the basic makeup of our own […]