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

AD: H2M 2015

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
Blue Origin launches New Shepard vehicle on first test flight
Posted: Sat, May 2 10:02 AM ET (1402 GMT)

Progress cargo spacecraft to reenter
Posted: Sat, May 2 9:52 AM ET (1352 GMT)

MESSENGER missions ends with crash on Mercury
Posted: Sat, May 2 9:42 AM ET (1342 GMT)

news links
Monday, May 4
The mission of Zond 2
The Space Review — 1:49 pm ET (1749 GMT)
Antares and SpaceShipTwo, six months later
The Space Review — 1:47 pm ET (1747 GMT)
The future and the past: comparing Dragon and Orion
The Space Review — 1:46 pm ET (1746 GMT)
Renewing India’s space vision: a necessity or luxury?
The Space Review — 1:45 pm ET (1745 GMT)
Review: Exploration and Engineering
The Space Review — 1:43 pm ET (1743 GMT)


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