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 4 months 1 week ago • 55 views • 7:34

From youtube: We think of the moon as orbiting the earth, following a spiraling trajectory as the earth itself orbits the sun. But this is wrong. Not only is the moon's orbit NOT a spiral... there's an... continue reading

posted by noims 5 months 3 weeks ago • 32 views • 5:30

Making water orbit a charged knitting needle in zero G

posted by newtboy 6 months ago • 249 views • 32 secs

Look around you. Where are you? Where is this place you are occupying? Somewhere in a room, maybe in a city on a continent on a planet orbiting a star in a galaxy among billions. But… where is all of... continue reading

posted by eric3579 2 years 10 months 2 weeks ago • 225 views • 9:55

From Youtube, "The night sky seems peaceful and orderly. But in reality, stars are careening through the galaxy at speeds of hundreds of thousands of kilometers per hour. Not bound by static formations... continue reading

posted by w1ndex 4 years 3 months 4 weeks ago • 326 views • 9:46

YouTube description: The story of Apollo 13 goes beyond a tale of survival. The mission also successfully completed a science investigation that is still helping to inform our understanding of the Moon... continue reading

posted by Aard Vark (oritteropo) 4 years 11 months 3 weeks ago • 70 views • 2:46

NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft has discovered “layers” and “rifts” in the electrically charged part of the upper atmosphere (the ionosphere) of Mars. The phenomenon... continue reading

posted by eric3579 5 years 1 month 3 weeks ago • 350 views • 2:19

"... Step aboard Discovery and explore the space shuttle in 360. National Air and Space Museum and Google Arts & Culture have teamed up to bring a piece of Hubble’s history to life like never before.... continue reading

posted by ant 5 years 7 months 3 weeks ago • 18 views • 6:55

YouTube description: This footage is from inside the kerosene tank in the S-1 first stage of SA-5, the fifth Saturn 1 launch. This mission was the first orbital Saturn launch, and the first flight of... continue reading

posted by Aard Vark (oritteropo) 5 years 8 months ago • 376 views • 1:49

"... I love coffee. Like, a lot. You know who else loves coffee? Astronauts! And also the people who help them do awesome things in space (I think NASA might be powered by coffee). But how do astronauts... continue reading

posted by ant 5 years 11 months ago • 124 views • 11:39

YouTube description: We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own? Hosted by: Michael Aranda... continue reading

posted by Aard Vark (oritteropo) 6 years 1 month 4 weeks ago • 177 views • 2:58

YouTube description: 50 years ago, three NASA astronauts embarked on a journey that would take them “Round the moon and back”. The Apollo 8 mission proved the performance of the command and service... continue reading

posted by Aard Vark (oritteropo) 6 years 3 months ago • 526 views • 5:47

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) 7 years 1 week ago • 410 views • 6:41

The European Space Agency (ESA) is part of an international effort to monitor and – ultimately – tackle space debris. This junk – accumulated in orbit since the dawn of the space age sixty years... continue reading

posted by newtboy 7 years 1 month 1 week ago • 136 views • 3:37

Let's say you're traveling at 17,500 miles per hour (28,000 km/h) in low earth orbit, your main engines are out of fuel, and it's your job to guide the spaceship through a fiery re-entry without burning... continue reading

posted by Ashenkase 7 years 8 months 1 week ago • 114 views • 17:49

Only Uranus joins Venus in rotating clockwise. Why is a day on Venus longer than a year? Why does Venus rotate backward? In short... living on Venus would really mess with your sense of time...

posted by Mordhaus 7 years 10 months 1 week ago • 32 views • 1:52

YouTube: "All audible musical sound is given us for the sake of harmony, which has motions akin to the orbits in our soul, and which, as anyone who makes intelligent use of the arts knows, is not to be... continue reading

posted by PlayhousePals 8 years 3 weeks ago • 44 views • 13:41

It takes less acceleration to get to other stars than our own sun. Crazy, huh?

posted by Mordhaus 8 years 1 month 2 weeks ago • 1,866 views • 3:13

One thing I should point out is that Mr. Manley consistently gets Karl Schwarzschild's name wrong. It's Schwarz Schild (black shield) and pronounced more like shield (except the d is a t sound and it's... continue reading

posted by Aard Vark (oritteropo) 8 years 3 months 2 weeks ago • 1,050 views • 8:00