NASA Satellites Help Lift Cloud of Uncertainty on Climate Change

User rating: 4.2 / 5 after 10 vote(s)

New data from NASAs CloudSat show that on average 13 percent of clouds observed over Earths oceans at any time are producing rain that reaches the surface much higher than previously speculated. In this image blue indicates a low fraction of precipit ...
New data from NASA's CloudSat show that, on average, 13 percent of clouds observed over Earth's oceans at any time are producing rain that reaches the surface, much higher than previously speculated. In this image, blue indicates a low fraction of precipitating clouds, while yellow, orange and red indicate a higher percentage. Image credit: NASA/JPL/The Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University
New findings from NASA's CloudSat and other spacecraft in NASA's "A-Train" constellation of five Earth observing satellites offer important insights into this year's record reduction of Arctic sea ice, global rainfall patterns and the effects of pollution on clouds.


Full story »

All News summaries from Space & Earth science news
All News summaries for December 12, 2007

Scientists break record by finding northernmost hydrothermal vent field

6 minutes ago | User rating: not rated yet
Well inside the Arctic Circle, scientists have found black smoker vents farther north than anyone has ever seen before. The cluster of five vents – one towering nearly four stories in height – are venting ...

Hubble Instruments Slated for On-Orbit 'Surgery'

12 minutes ago | User rating: not rated yet
When astronauts visit the Hubble Space Telescope in October 2008 for its final servicing mission, they will be facing a task that has no precedence – performing on-orbit ‘surgery’ on two ailing science instruments ...

NASA Satellites Discover What Powers Northern Lights

30 minutes ago | User rating: not rated yet
(PhysOrg.com) -- Researchers using a fleet of five NASA satellites have discovered that explosions of magnetic energy a third of the way to the moon power substorms that cause sudden brightenings and rapid movements of the ...

COROT's new find orbits Sun-like star

52 minutes ago | User rating: not rated yet
A team of European scientists working with COROT have discovered an exoplanet orbiting a star slightly more massive than the Sun. After just 555 days in orbit, the mission has now observed more than 50 000 ...

Watching a 'New Star' Make the Universe Dusty

59 minutes ago | User rating: not rated yet
(PhysOrg.com) -- Using ESO's Very Large Telescope Interferometer, and its remarkable acuity, astronomers were able for the first time to witness the appearance of a shell of dusty gas around a star that had just erupted, ...