Encyclopedia.com -- Online dictionary and encyclopedia of facts, information, and biographies

Search over 100 encyclopedias and dictionaries:

 Search
Research categories Close categories Follow us on Twitter

View all topics in the news

View all reference sources at Encyclopedia.com

Free reference entries

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z
  • #
  • Home
  • Science and Technology
  • Astronomy and Space Exploration
Categories:
  • Earth and the Environment
  • History
  • Literature and the Arts
  • Medicine
  • People
  • Philosophy and Religion
  • Places
  • Plants and Animals
  • Science and Technology
  • Social Sciences and the Law
  • Sports and Everyday Life

Astronomy and Space Exploration

Learn more about Neil Alden Armstrong
Neil Alden Armstrong. Wikimedia Commons (Public Domain)

  • Astronomical Observatories
  • Astronomy: Biographies
  • Astronomy: General
  • Astronomy: Stars
  • Constellations
  • Space Exploration

Need more research?

Get credible articles from trusted sources at HighBeam Research:

  • Newspaper archives
  • Magazine back issues
  • Academic journals
  • Medical journals
  • Nursing journals
  • Psychology journals
  • Book reviews
  • And more!

Questions related to Astronomy and Space Exploration

  • Did Sir George Howard Darwin die in 1912?
  • What does Dark matter consist of?
  • How is Dark matter detected?
  • Is Dark matter a large part of the universe?
  • What does Dark matter explain?
  • Has Dark matter been directly observed?
  • Has Dark energy been observed?
  • What trigger the search for Dark energy?
  • What does Dark energy do to the universe?
  • What does Dark energy oppose?

Search over 100 encyclopedias and dictionaries:

Search

HighBeam™ Research, Inc. © Copyright 2013. All rights reserved.

  • Encyclopedia.com home page
  • About us
  • Help
  • Site feedback
  • Privacy policy
  • Terms and conditions

The Encyclopedia.com advertising network includes: womensforum.com GlamFamily