spacetoday.net: space news from around the webin association with SpaceNews

Climate change may worsen orbital debris problem
Posted: Tue, Nov 13, 2012, 12:56 PM ET (1756 GMT)
Increasing amounts of carbon dioxide in the upper atmosphere may be exacerbating the growing problem of orbital debris, scientists reported this week. Researchers with the Naval Research Laboratory and two universities said that the increasing concentrations of carbon dioxide created by human activities helps cool the upper levels of the atmosphere, the reverse of what carbon dioxide does in the lower atmosphere. That cooling works to contract the thermosphere, reducing the atmospheric drag on debris in low Earth orbit and thus extending it they can remain in orbit. The scientists made those conclusions based on data from an atmospheric chemistry experiment on Canada's SCISAT-1 spacecraft.
<<previous article   next article>>
news in brief
Russia launches military satellite
Posted: Fri, Oct 31 7:37 AM ET (1137 GMT)

Atlas launches GPS satellite
Posted: Thu, Oct 30 9:07 AM ET (1307 GMT)

Progress cargo spacecraft sent to ISS
Posted: Thu, Oct 30 8:56 AM ET (1256 GMT)

news links
Friday, October 31
Elon Musk's past comments about Orbital Sciences are chilling, but nothing more.
Washington Business Journal — 6:45 am ET (1045 GMT)
Ukraine Denies Role in Explosion of U.S. Rocket
Moscow Times — 6:42 am ET (1042 GMT)
How to Make Money Off Space Exploration
Institutional Investor — 6:39 am ET (1039 GMT)


about spacetoday.net   ·   info@spacetoday.net   ·   mailing list