News tagged with hubble constant
Zeroing in on Hubble's constant
Jan 05, 2009 |
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(PhysOrg.com) -- In the early part of the 20th Century, Carnegie astronomer Edwin Hubble discovered that the universe is expanding. The rate of expansion is known as the Hubble constant. Its precise value ...
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Goddard Team Develops New Carriers for ISS
Space & Earth / Space Exploration
Nov 13, 2009 |
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In a partnership that exemplifies the One NASA theme, Goddard Space Flight Center engineers teamed up with the External Payloads Group at Johnson Space Center and the ISS Payload Ground Processing support ...
Researchers 'notch' a victory toward new kind of cancer drug
Nov 11, 2009 |
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(PhysOrg.com) -- Scientists have devised an innovative way to disarm a key protein considered to be "undruggable," meaning that all previous efforts to develop a drug against it have failed. Their discovery, published in ...
Warm-blooded dinosaurs worked up a sweat
Nov 11, 2009 |
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(PhysOrg.com) -- Were dinosaurs endothermic (warm-blooded) like present-day mammals and birds or ectothermic (cold-blooded) like present-day lizards? The implications of this simple-sounding question go beyond ...
Rapid star formation spotted in 'stellar nurseries' of infant galaxies
Nov 11, 2009 |
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The Universe's infant galaxies enjoyed rapid growth spurts forming stars like our sun at a rate of up to 50 stars a year, according to scientists at Durham University.
Drugs to treat anemia in cancer patients linked to thromboembolism
Nov 10, 2009 |
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Medications frequently given to cancer patients to reduce their risk of anemia are associated with an increased risk of deep vein thrombosis or pulmonary embolism, according to new research led by Dawn Hershman, M.D, M.S., ...
New search technique for images and videos has broad applications
Technology / Computer Sciences
Nov 10, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- Engineers at the University of California, Santa Cruz, have developed a powerful new approach to a fundamental problem in computer vision: how to program a computer to recognize or categorize ...
NASA's Great Observatories Celebrate International Year of Astronomy
Nov 10, 2009 |
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(PhysOrg.com) -- A never-before-seen view of the turbulent heart of our Milky Way galaxy is being unveiled by NASA on Nov. 10. This event will commemorate the 400 years since Galileo first turned his telescope ...
New 'finFETs' promising for smaller transistors, more powerful chips
Nov 10, 2009 |
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(PhysOrg.com) -- Purdue University researchers are making progress in developing a new type of transistor that uses a finlike structure instead of the conventional flat design, possibly enabling engineers ...
Controversial new climate change results
Nov 10, 2009 |
4 / 5 (39) |
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(PhysOrg.com) -- New data show that the balance between the airborne and the absorbed fraction of CO2 has stayed approximately constant since 1850, despite emissions of CO2 having risen from about 2 billion ...
Switching Gears to Greener Transportation
Nov 10, 2009 |
3 / 5 (3) |
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Automakers around the world continue to slowly infuse their cars and trucks with greener, more efficient technology, but researchers at Rensselaer Polytechnic Institute contend that technology alone will not ...
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