Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. -yt

posted by eric3579 1 year 8 months 2 weeks ago • 415 views • 20:06

YT: What wiped out the dinosaurs? Most of us were taught it was a killer asteroid—which is true. But it turns out there was more than one disaster movie playing at the cineplex that was Earth 66 million... continue reading

posted by Lumm 3 years 11 months 1 week ago • 121 views • 10:45

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 5 years 3 weeks ago • 580 views • 2:02

YouTube Description: The solar system - well known from countless documentaries. 3D animation on black background. This infographic videos tries something different. Animated infographics and a focus... continue reading

posted by Grimm 8 years 11 months 3 weeks ago • 211 views • 7:21