• The Hubble Space Telescope: From Concept to Reality

    Take a peek into the history of the Hubble Space Telescope, which has provided spectacular images and helped scientists delve deeply into the mysteries of stars and galaxies.
    By Anurag Ghosh June 23, 2010 

  • What Year did Galileo Make his First Telescope?

    In 2009, the "The International Year of Astronomy," marked the 400th anniversary of the telescope. Galileo made the first telescope in 1609, an instrument that revolutionized -- and continues to revolutionize -- our view of the world and the universe...
    By ebishirl May 24, 2010 

  • James Webb Telescope to Replace the Hubble Telescope

    The James Webb telescope, scheduled to be launched in 2013, is a huge, infrared-optimized space telescope. It was formerly known as the "Next Generation Space Telescope" (NGST). Read the article to learn more.
    By informationishere May 15, 2010 

  • The Parts of a Refracting Telescope

    A refracting telescope has two basic parts—an objective lens that gathers the light and a smaller lens at the focal point that acts as the eyepiece to magnify the image. Variations on this basic design can be of a more complex nature for specialized...
    By George Adcock March 17, 2010 

  • The Parts of a Reflector Telescope

    A modern reflecting telescope has two major parts—the primary mirror and a secondary mirror. There are many variations to this seemingly simple design however, and it took centuries for the design to be perfected.
    By George Adcock March 17, 2010 

  • The Gran Telescopio

    The largest single-aperture optical telescope telescope designed to study black holes and early big bang cosmology. Built with funds from Spain, Mexico, and the University of Florida, it is situated in the Canary Islands.
    By George Garza March 15, 2010 

  • The LBT: Large Binocular Telescope – Two Mirrors for Enhanced Observations Achieves First Light

    The LBT is unique astronomical instrument in that it uses two 8.4 m (27.6 ft) primary mirrors with the resolving power equivalent to a larger telescope with a mirror 22.8 m (74.8 ft) in diameter! The LBT may provide us with the direct...
    By RC Davison February 8, 2010 

  • Buying the Best Beginner Telescopes For Amateur Astronomers

    What is the best beginner telescope available to amateur astronomers? Learn your options and how to choose the best telescope to observe the wonders of the night sky.
    By RC Davison February 8, 2010 

  • Kepler Space Mission: Search for Extraterrestrial Planets

    NASA’s Kepler Mission is designed to detect habitable Earth-sized planets. Want to know more about its history, objectives, spacecraft design and mission discoveries? Read on...
    By Anurag Ghosh January 28, 2010 

  • What You Can See With Your New Telescope

    You won't see what you see in Hubble images in a small telescope. Here is what you will see, and why. And why it's still exciting to peer through a small telescope.
    By George Adcock January 22, 2010 
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