News tagged with radar reflections
NASA, Japan Release Improved Topographic Map of Earth
(PhysOrg.com) -- NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Monday, produced with detailed measurements from NASA's Terra spacecraft.
Space & Earth / Earth Sciences
Oct 18, 2011 |
5 / 5 (1) |
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Satellite images: Hook echoes, debris and damage
This image shows the radar reflectivity from the National Weather Service Doppler Radar in Birmingham, Ala. at 5:10 p.m. CDT on April 27, 2011, as a supercell thunderstorm moved across the city. The radar ...
Space & Earth / Earth Sciences
May 30, 2011 |
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Shuttle Mission That Mapped Earth Marks 10th Anniversary
On Feb. 11, 2000, two radar antennas built by JPL launched aboard Space Shuttle Endeavour on an 11-day mission to create the first-ever near-global high-resolution database of Earth's topography.
Space & Earth / Space Exploration
Feb 12, 2010 |
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Ghost alps of Antarctica are glimpsed after 14 million years
Millions of years ago, rivers ran in Antarctica through craggy mountain valleys that were strangely similar to the European Alps of today, Chinese and British scientists reported on Wednesday.
Space & Earth / Earth Sciences
Jun 03, 2009 |
3.6 / 5 (18) |
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Soviet find of water on the Moon in the 1970s ignored by the West
(Phys.org) -- In August 1976 Luna 24 landed on the moon and returned to Earth with samples of rocks, which were found to contain water, but this finding was ignored by scientists in the West.
Space & Earth / Space Exploration
Jun 01, 2012 |
4.7 / 5 (34) |
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Novel holographic antenna designs and uses
Holographic antennas first studied around 40 years ago are again a hot topic given the potential of holographic images for a variety of applications. EU researchers developed novel prototype devices based ...
May 30, 2012 |
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TRMM satellite sees heavy rainfall in Tropical Storm Bud
Tropical Storm Bud is dropping heavy rainfall, and appears to be intensifying. NASA's Tropical Rainfall Measuring Mission (TRMM) satellite has been monitoring rainfall within the storm, and has watched it ...
Space & Earth / Earth Sciences
May 23, 2012 |
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Nea Kameni volcano movement captured by Envisat (w/ Video)
(Phys.org) -- Archived data from the Envisat satellite show that the volcanic island of Santorini has recently displayed signs of unrest. Even after the end of its mission, Envisat information continues to ...
Space & Earth / Earth Sciences
May 22, 2012 |
5 / 5 (2) |
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Is the Earth a cosmic feather-duster?
Scientists at the University of Leeds are looking to discover how dust particles in the solar system interact with the Earth's atmosphere.
Space & Earth / Earth Sciences
May 18, 2012 |
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Flying 3-D eye-bots
Like a well-rehearsed formation team, a flock of flying robots rises slowly into the air with a loud buzzing noise. A good two dozen in number, they perform an intricate dance in the sky above the seething ...
May 03, 2012 |
4 / 5 (2) |
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Seeing inside the nose of an aircraft
Radio signals reach pilots on board an aircraft through the "radar dome", the rounded nose of the aircraft. But if errors occur during the production of this "nose", - tiny foreign particles, drops of water ...
Apr 26, 2012 |
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Improving on the amazing: Scientists seek new conductors for metamaterials
(Phys.org) -- Scientists at the U.S. Department of Energy’s Ames Laboratory have designed a method to evaluate different conductors for use in metamaterial structures, which are engineered to exhibit ...
Apr 24, 2012 |
4.8 / 5 (5) |
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Handover of Japan-built radar to NASA
On March 30, the Japan Aerospace Exploration Agency (JAXA) officially handed off a new satellite instrument to NASA at Goddard Space Flight Center, Greenbelt, Md. The Dual-frequency Precipitation Radar (DPR) ...
Space & Earth / Space Exploration
Apr 04, 2012 |
5 / 5 (1) |
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Measuring how climate models calculate the effects of clouds on Earth's warming
Using ten years of data gathered at three unique measurement sites, scientists at Pacific Northwest National Laboratory and Lawrence Livermore National Laboratory found that global climate models are not representing ...
Space & Earth / Earth Sciences
Mar 06, 2012 |
5 / 5 (2) |
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