The Kessler syndrome is a scenario where, if too many collisions occur between pieces of space debris, low earth orbit will become filled with clouds of tiny particles. All those particles floating around... continue reading

posted by newtboy 3 months 3 weeks ago • 55 views • 7:34

The world remains in a state of shock after spectacular satellite images of an undersea volcano erupting on the island of Tonga left a giant mushroom cloud in the Pacific region. With shocking visuals... continue reading

posted by eric3579 3 years 1 month 3 weeks ago • 42 views • 4:26

From Youtube, "NERC's Space Geodesy Facility, hidden away in the English countryside, fires lasers at satellites. Because it turns out that knowing a satellite's position exactly is really, really difficult.... continue reading

posted by w1ndex 3 years 6 months 1 week ago • 612 views • 3:17

The multiverse hypothesis or theory holds that a group of multiple universes (possibly infinite universes) comprise everything that exists: The entirety of space, time, matter, energy, information, and... continue reading

posted by BSR 3 years 9 months 2 weeks ago • 143 views • 10:03

ClimateViewer 3D Tutorial - Live Earthquakes, Volcanoes, Fires, Satellites, and More!

posted by BSR 5 years 6 months 2 weeks ago • 11 views • 11:53

YouTube description: A launch mishap led to the best experimental confirmation of gravitational redshift. Huge thanks to Dr. Pacome Delva: https://ve42.co/pacome Dr. Sven Herrmann: https://ve42.co/sven ... continue reading

posted by Aard Vark (oritteropo) 6 years 2 months 2 weeks ago • 815 views • 11:52

YouTube description: Amazing high resolution photos of the Earth should show that the earth is oblate, but it's hard to see because the difference is about 0.3%. So here's a quick demo highlighting the difference. ... continue reading

posted by Aard Vark (oritteropo) 6 years 9 months 1 week ago • 624 views • 1:43

YouTube description: Vanguard 1 was the 4th satellite launched, after being beaten by Sputnik 1, 2 and Explorer 1, it also suffered from multiple high profile launch failures. However, 60 years on it's... continue reading

posted by Aard Vark (oritteropo) 6 years 12 months ago • 410 views • 6:41

"This animation starts with an overview of North America, Central America, and the Caribbean. As the camera slowly pushes in, Hurricane Matthew begins to form. By the morning of October 2nd, 2016 Matthew... continue reading

posted by Warren E. Hale (MrFisk) 8 years 5 months 1 week ago • 9 views • 1:29

YouTube description: It’s probably the most well known peacetime battle between the USA and the Soviet Union, in both technological and ideological terms of the 20th century. Although the USA won... continue reading

posted by Aard Vark (oritteropo) 8 years 6 months 3 weeks ago • 812 views • 14:23

NASA's Juno spacecraft captured a unique time-lapse movie of the Galilean satellites in motion about Jupiter. The movie begins on June 12th with Juno 10 million miles from Jupiter, and ends on June 29th,... continue reading

posted by newtboy 8 years 8 months 1 week ago • 515 views • 2:59

YT "Bill shows the world's smallest atomic clock and then describes how the first one made in the 1950s worked. He describes in detail the use of cesium vapor to create a feedback or control loop to control... continue reading

posted by blackfox42 9 years 8 months 3 weeks ago • 544 views • 4:33

Common misconceptions about climate change. References below: For CO2, sea levels, Arctic sea ice, Antarctic and Greenland land ice: http://climate.nasa.gov Satellite data shows that ground-based... continue reading

posted by cricket 1 decade 5 months 3 weeks ago • 868 views • 6:50

"A meteor weighing 10,000 metric tons exploded only 23km above the city of Chelyabinsk in Russia on February 15, 2013. Unlike previous such events, this time scientists had the highly sensitive OMPS instrument... continue reading

posted by ant 1 decade 1 year 6 months 4 weeks ago • 265 views • 3:51

From YT: How does a transistor work? Our lives depend on this device. When I mentioned to people that I was doing a video on transistors, they would say "as in a transistor radio?" Yes! That's exactly... continue reading

posted by mxxcon 1 decade 1 year 7 months 3 weeks ago • 55 views • 6:00