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

Hubble Space Telescope Directly Observes Exoplanet

Hubblecast 22: Hubble Space Telescope Directly Observes Exoplanet Orbiting Fomalhaut. The NASA/ESA Hubble Space Telescope has discovered an extrasolar planet, for the first time using direct visible-light imaging. The strange world is far-flung from its parent star, is surrounded by … Continue reading

Ancient Astronomy

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