Optical Telescopes Part I

The beginning of modern astronomy is often linked to Galileo building his first telescope in 1609 — roughly 400 years ago! While he was not the first person to use a telescope, Galileo made many fascinating discoveries, ultimately revealing that … Continue reading

NASA Astronomy Pictures Of The Day [Week 6/2010]

NASA Astronomy Pictures Of The Day [Week 6/2010] — Please subscribe to: • http://www.YouTube.com/ScienceMagazine • http://www.YouTube.com/Best0fScience — ► A Sun Halo Over Cambodia Have you ever seen a halo around the Sun? This fairly common sight occurs when high thin … Continue reading