From YouTube, "The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions... continue reading

posted by w1ndex 2 years 2 months 1 week ago • 354 views • 11:59

YouTube: This video is about why it's harder to successfully land spacecraft and landers and rovers on Mars than on Earth, or Venus, or the Moon, or Titan, or asteroids. It all comes down to atmospheric... continue reading

posted by PlayhousePals 7 years 5 months 2 weeks ago • 582 views • 2:02

There's a titan arum - a corpse flower - blooming at the Eden Project in Cornwall. For years, it stores energy: and then for 48 hours, it heats up and sends out the smell of decay and death through the... continue reading

posted by blacklotus90 8 years 6 months 1 week ago • 66 views • 2:55

"Can we go launch one?" YouTube: What was the procedure to launch a nuclear missile? Uranium premieres: July 28 & 29 on PBS at 10pm ET/ 9pm Central France and Germany: July 31 at 10pm on ZDF/arte ... continue reading

posted by PlayhousePals 9 years 5 months ago • 576 views • 7:42

YouTube Description: music by http://www.youtube.com/Jakechudnow and http://www.audionetwork.com brusspup anamorphic illusions: [See YouTube description] ANOMALOUS MOTION by Akiyoshi Kitaoka:... continue reading

posted by Janine V. (Lilithia) 1 decade 1 year 2 weeks ago • 1,601 views • 10:48

Our solar systems most visually beautiful planet, Saturn has a wealth of fascinating features. Learn a little bit about its ring system and the new giant ring that has been found. The "glory" of Saturn's... continue reading

posted by reiwan 1 decade 4 years 11 months ago • 1,505 views