News tagged with aster
Satellite spies on tree-eating bugs
Mar 10, 2009 |
4.5 / 5 (4) |
0
More than 150 years after a small Eurasian tree named tamarisk or saltcedar started taking over river banks throughout the U.S. Southwest, saltcedar leaf beetles were unleashed to defoliate the exotic invader.
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NASA, Japan Release Most Complete Topographic Map of Earth
Space & Earth / Earth Sciences
Jun 30, 2009 |
4.6 / 5 (7) |
1
(PhysOrg.com) -- NASA and Japan released a new digital topographic map of Earth Monday that covers more of our planet than ever before. The map was produced with detailed measurements from NASA's Terra spacecraft.
New NASA Image Shows Extent of Station Fire Burn
Space & Earth / Space Exploration
Sep 09, 2009 |
4.7 / 5 (3) |
0
On September 6, 2009, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite captured this simulated natural color image of the Station fire, burning ...
Tiny tremors can track extreme storms in a warming planet
Space & Earth / Earth Sciences
Apr 17, 2008 |
5 / 5 (1) |
0
Data from faint earth tremors caused by wind-driven ocean waves—often dismissed as “background noise” at seismographic stations around the world—suggest extreme ocean storms have become more frequent over the past three decades, ...
NASA Sees Santa Barbara Wildfires
Space & Earth / Earth Sciences
Aug 08, 2007 |
3 / 5 (3) |
0
This image shows the Zaca fire, which continues to burn in the Los Padres National Forest near Santa Barbara, Calif. The image was acquired by ASTER on Aug. 7, 2007.
Fires Burning Near Big Sur, California
Space & Earth / Earth Sciences
Jul 01, 2008 |
3.7 / 5 (9) |
2
Fires near Big Sur, Calif., continued to burn unchecked when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite captured this image on Sunday, June ...
New NASA Images: 3D View of Athens
Aug 23, 2004 |
2.5 / 5 (4) |
0
This perspective view was made from an image acquired April 29, 2004, draped over a digital elevation model (DEM) created from the same Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) ...
Developing cancer treatments directed at critical developmental pathway
Biology /
Apr 10, 2008 |
5 / 5 (1) |
0
Researchers from the University of Pennsylvania School of Medicine and colleagues discovered that the Notch signaling pathway, which determines the development of many cell types, and is also implicated in some cancers, is ...
Single photon detectors for telecommunications wavelengths
Aug 29, 2008 |
3.9 / 5 (17) |
0
Practically speaking, single photon detection has not been something pursued very heavily at the wavelengths used for telecommunication signals. Part of the problem is that performance of single photon detectors are rather ...
Small glaciers -- not large -- account for most of Greenland's recent loss of ice, study shows
Space & Earth / Earth Sciences
Sep 15, 2008 |
4.3 / 5 (32) |
6
(PhysOrg.com) -- The recent dramatic melting and breakup of a few huge Greenland glaciers have fueled public concerns over the impact of global climate change, but that isn't the island's biggest problem.
Wolves, moose and biodiversity: An unexpected connection
Nov 02, 2009 |
4.9 / 5 (7) |
4
Moose eat plants; wolves kill moose. What difference does this classic predator-prey interaction make to biodiversity?
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