Astronomy, Kinds Of - Research Article from Macmillan Science Library: Space Sciences

This encyclopedia article consists of approximately 6 pages of information about Astronomy, Kinds Of.
This section contains 1,602 words
(approx. 6 pages at 300 words per page)
Buy the Astronomy, Kinds Of Encyclopedia Article

Astronomy, Kinds Of

Astronomers study light, and almost everything we know about the universe has been figured out through the study of light gathered by telescopes on Earth, in Earth's atmosphere, and in space. This light comes in many different wavelengths (including visible colors), the sum of which comprises what is known as the electromagnetic spectrum. Unfortunately, Earth's atmosphere blocks almost all wavelengths in the electromagnetic spectrum. Only the visible and radio "windows" are accessible from the ground, and they thus have the longest observational "history." These early restrictions on the observational astronomer also gave rise to classifying "kinds" of astronomy based on their respective electromagnetic portion, such as the term "radio astronomy."

Over the past few decades, parts of the infrared and submillimeter have become accessible to astronomers from the ground, but the telescopes...

(read more)

This section contains 1,602 words
(approx. 6 pages at 300 words per page)
Buy the Astronomy, Kinds Of Encyclopedia Article
Copyrights
Macmillan
Astronomy, Kinds Of from Macmillan. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.