The Sky at Night - Exoplanets and Antarctica: In a month when the tally of confirmed exoplanets passed 5,000, it's astonishing to remember that just 30 years ago, the notion of planets outside our own solar system was, well – just a notion. Since the first extrasolar planet was discovered in 1992, a staggering array of other worlds have been identified, including many in solar systems quite unlike our own.<br />Last Science posts on HDclump.com:<br />https://hdclump.com/earth-the-power-of-the-planet-episode-5-rare-earth/<br />https://hdclump.com/earth-the-power-of-the-planet-episode-4-oceans/<br />https://hdclump.com/earth-the-power-of-the-planet-episode-3-ice/<br />https://hdclump.com/universe-the-big-bang-before-the-dawn-episode-5/<br />https://hdclump.com/earth-the-power-of-the-planet-episode-2-atmosphere/<br />https://hdclump.com/universe-black-holes-episode-4/<br />https://hdclump.com/universe-the-milky-way-island-of-light-episode-3/<br />https://hdclump.com/universe-alien-worlds-episode-2/<br />https://hdclump.com/universe-the-sun-god-star-episode-1/<br />https://hdclump.com/earth-the-power-of-the-planet-episode-1-volcano/
