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mcherm : space   49

Not long ago, the center of the Milky Way exploded
Only about 3 million years ago (after humans evolved) the Milky Way core sent out a massive burst (of what?) along its poles.
space  physics  via:HackerNews 
7 days ago by mcherm
China Grew Two Cotton Leaves On The Moon IEEE Spectrum - IEEE Spectrum
Of course it froze in the lunar night, but for a brief moment a cotton seed grew two leaves.
space  via:HackerNews  personal_net 
14 days ago by mcherm
A Summer without Sunspots | Spaceweather.com
I never even knew that sunspots came in cycles and reversed their polarity.
science  space  via:HackerNews 
15 days ago by mcherm
SSC Journal Club: Dissolving The Fermi Paradox | Slate Star Codex
Solution to the Fermi paradox: the distribution is so broad that while the expected number of civilizations is quite large, there is still a pretty good chance of there being approximately 0 intelligent civilizations.
via:SlateStarCodex  SlateStarCodex  space 
july 2018 by mcherm
McMoon: How the Earliest Images of the Moon Were so Much Better than we Realised – World of Indie
They used satellite spy cameras to take really good pictures of the moon in order to select a landing place, but then the pictures they released to the public were much lower in resolution in order to hide the capabilities of the spy cameras.
history  space  via:HackerNews  surveillance 
june 2018 by mcherm
How I Stopped Cosmonauts From Carrying Guns - IEEE Spectrum
There used to be a gun available on the international space station.
space  via:HackerNews  personal_net 
september 2017 by mcherm
How Curiosity, Luck, and the Flip of a Switch Saved the Moon Program | Motherboard
Lightning struck an Apollo rocket during takeoff. They were able to reset things and continue.
history  space  via:HackerNews 
september 2015 by mcherm
What’s the third most common element? — Starts With A Bang! — Medium
Shows the relative amounts of each element in the universe and how each gets created.
science  via:HackerNews  physics  space 
june 2015 by mcherm
Forensic Ballistics: How Apollo 12 Helped Solve the Skydiver Meteorite Mystery | The Planetary Society
Analysis (really cool analysis) shows that the video of a skydiver meeting a rock in the air was almost certainly gravel in his chute not a meteorite.
space  science  via:HackerNews 
april 2014 by mcherm
How Many Dwarfs Are There? - Boing Boing
About dwarf planets and why Pluto isn't special.
space  via:boingboing  science 
december 2010 by mcherm
Mike Brown's Planets: Planetary Placemats
Why do people defend Pluto as a planet? Because their picture of the solar system is completely wrong. Here is a quick introduction that is NOT wrong.
astronomy  space  philosophy  science  via:boingboing 
december 2010 by mcherm
Ukinsurancenet | The Apollo Astronauts' Fascinating Insurance Covers
Apollo astronauts were uninsurable, so they signed mementos before the trip which could be sold if they died to form "life insurance" for their families.
insurance  via:boingboing  space 
july 2010 by mcherm
Interesting times in the sky
there is some chance the star beetlejuice might go supernova within a few weeks.
astronomy  science  space  via:reddit 
june 2010 by mcherm
In Event of Moon Disaster - Wikisource
This is what Richard Nixon planned to say if the systems failed and the first astronauts to reach it were stranded on the moon.
history  space  via:reddit 
february 2010 by mcherm
About Project Icarus
Launching a balloon with camera to take pictures from near-space for less than $150.
via:reddit  space  flight 
september 2009 by mcherm
Op-Ed Contributor - A One-Way Ticket to Mars - NYTimes.com
NY Times editorial suggesting sending a manned ONE WAY mission to Mars. Honestly, I agree.
space  nytimes  via:reddit 
september 2009 by mcherm
Apollo Astronaut Speaks on UFO, Alien Claims : Discovery Channel
Astronaut who walked on the moon claims NASA is covering up space aliens. Just goes to show, even famous people can be crazy.
personal_net  via:boingboing  conspiracy  space 
july 2008 by mcherm
Jupiter's Third Red Spot Destroyed
Jupiter's great red spot (storm) swallowed up a smaller (but still enormous!) one. Our optics have gotten so good that amateurs contributed to the information gathering!
science  space  astronomy  via:digg 
july 2008 by mcherm
Nolo Contendere: Team Cringely makes a course correction on its way to the Moon.
There's a lesson here: if you're running a contest, be sure that you're not so bureaucratic that the participants can't stand it.
space  cringely  contest 
june 2008 by mcherm
Boeing Patent Shuts Down AMC-14 Lunar Flyby Salvage Attempt
Space satellite is scrapped because repositioning it would have involved a lunar flyby and that's patented.
space  patent  ip-law  via:boingboing 
april 2008 by mcherm
Bad Astronomy Blog » Naked eye visible GRB!
Gamma ray burst one of the brightest ever seen: visible to the naked eye!
science  physics  space 
march 2008 by mcherm
Is China's Great Wall Visible from Space?: Scientific American
China's great wall is NOT visible from space. Some things (like roads in the desert) are.
space  personal_net 
march 2008 by mcherm
Corkscrew cups could keep space drinks flowing - tech - 17 January 2008 - New Scientist Tech
A helical-shaped container works better to contain liquid in space because it cooperates better with surface tension.
design  science  space  math 
january 2008 by mcherm
Crater From 1908 Russian Space Impact Found, Team Says
Scientists claim to have found the impact crater from the Tunguska event.
science  personal_net  via:boingboing  space 
november 2007 by mcherm
Pluto isn't even largest dwarf planet - Yahoo! News
Eris, another dwarf planet, is bigger than Pluto! Who knew?
science  space 
june 2007 by mcherm
What really happened on Mars?
A problem with threading occurred on the Mars Rovers. The problem was successfully diagnosed and then resolved, solely because debugging-level information was left active on the system. Excellent story with lessons for programmers.
debugging  bug  space  threading  programming 
january 2007 by mcherm
Space Shuttle
Why the Space Shuttle is badly designed and useless. Insightful.
personal_net  space 
august 2005 by mcherm

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