Retired astronaut Chris Hadfield helps debunk (and confirm!) some common myths about space. Is there any sound in space? Does space smell like burnt steak? Is NASA working on warp speed?

posted by Mordhaus 6 years 8 months ago • 32 views • 11:33

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 9 months 1 week ago • 410 views • 6:41

YouTube description: If you're landing a rocket then waiting to the last minute slamming on the brakes actually saves fuel over slower, more considered approaches to landing.... continue reading

posted by Aard Vark (oritteropo) 6 years 10 months ago • 627 views • 8:50

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 6 years 10 months ago • 136 views • 3:37

YT - Everyday Astronaut Published on Jan 24, 2018 It’s ALIVE!!!!! For the very first time, the Falcon Heavy has successfully lit all 27 of its mighty Merlin engines in preparation for its maiden launch.... continue reading

posted by Buck 6 years 11 months ago • 175 views • 8:38

YT: I built an A frame hut as a large work space for projects. First I made a celt hatchet to cut timber for the hut. The axe head was made of amphibolite and the handle was made of a species of wattle.... continue reading

posted by nanrod 6 years 11 months ago • 524 views • 9:05

"COSMOS is back with an all-new season! FOX and National Geographic TV’s Emmy-award winning event series returns with host Neil deGrasse Tyson in Spring 2019. The new season, COSMOS: Possible Worlds,... continue reading

posted by ant 6 years 11 months 1 week ago • 24 views • 21 secs

From YT: 2014Footage of the rare event when the Space Station crosses the face of the Moon. The station flies at a speed of 30000km/h, meaning it takes about half a second to traverse the Lunar face.... continue reading

posted by Nephelimdream 7 years 2 weeks ago • 734 views • 1:12

"... Read more about the concept of non-state spaces: https://goo.gl/UsgDDy For thousands of years, humans have drawn lines on the earth, dividing the planet into nations. But there are some parts of... continue reading

posted by ant 7 years 3 weeks ago • 22 views • 13:27

I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading

posted by Mordhaus 7 years 1 month 3 weeks ago • 454 views • 5:46

Last year LIGO announced the detection of gravitational waves from the merger of two black holes. The science world went a little crazy. Only a few weeks ago a new rumour emerged: that LIGO had, for the... continue reading

posted by Mordhaus 7 years 3 months 1 week ago • 152 views • 15:51

Computers store text (or, at least, English text) as eight bits per character. There are plenty of more efficient ways that could work: so why don't we use them? And how can we fit more text into less... continue reading

posted by Mordhaus 7 years 3 months 1 week ago • 64 views • 6:31

Destin and friends calculate where best to catch the ISS transitting the sun during the 2017 eclipse.

posted by nanrod 7 years 4 months ago • 754 views • 8:39

This is very much not how I remember it being reported around the time of the repair mission. I'm sure that at the time it was incorrectly reported as being due to the effect of grinding the mirror under... continue reading

posted by Aard Vark (oritteropo) 7 years 4 months 2 weeks ago • 1,191 views • 7:52

YouTube: This video is about the local and global geometry and curvature of space and spacetime, aka, is space flat? Negatively curved? Positively curved? etc.

posted by PlayhousePals 7 years 5 months ago • 317 views • 3:39

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 5 months ago • 114 views • 17:49

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 ago • 582 views • 2:02