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

Radio Telescopes

The Sun and stars emits radio waves — not just visible and infrared light. In the 1930s, Karl Jansky built the first devise to “listen” to the sun, collecting radio waves from far off stars and focusing them onto a … Continue reading

Ancient Astronomy

Ancient Astronomy – Best Of Carl Sagan’s Cosmos (Part 17) — Subscribe to Science & Reason: • http://www.youtube.com/Best0fScience • http://www.youtube.com/SagansCosmos • http://www.youtube.com/FFreeThinker — BEST OF CARL SAGAN’S “COSMOS”: 1) 10 Years After: Carl Sagan & Ann Druyan Reflect: 2) Lost … Continue reading

Roy Gould: WorldWide Telescope

http://www.ted.com Science educator Roy Gould and Microsoft’s Curtis Wong give an astonishing sneak preview of Microsoft’s new WorldWide Telescope — a technology that combines feeds from satellites and telescopes all over the world and the heavens, and weaves them together … Continue reading