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 ...
Search results for hubble constant
Refined Hubble Constant narrows explanations for dark energy
May 07, 2009 |
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Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe's present expansion rate to a precision where ...
Astronomers crunch numbers, universe gets bigger
Aug 03, 2006 |
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That intergalactic road trip to Triangulum is going to take a little longer than you had planned. An Ohio State University astronomer and his colleagues have determined that the Triangulum Galaxy, otherwise ...
Chandra independently determines Hubble constant
Aug 08, 2006 |
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A critically important number that specifies the expansion rate of the Universe, the so-called Hubble constant, has been independently determined using NASA's Chandra X-ray Observatory. This new value matches ...
Astronomers improve cosmic distance scale with Hubble
Apr 11, 2007 |
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An international team of astronomers led by Fritz Benedict and Barbara McArthur of The University of Texas at Austin has used Hubble Space Telescope to solve one of the biggest problems in measuring the universe's expansion. ...
Hubble observes LCROSS impact: Preliminary analysis shows no clear evidence for hydroxyl
Space & Earth / Space Exploration
Oct 12, 2009 |
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(PhysOrg.com) -- NASA's Hubble Space Telescope has made a series of observations immediately preceding and following the Lunar Crater Observation and Sensing Satellite (LCROSS) Centaur rocket stage and shepherding ...
Stripped down: Hubble highlights two galaxies that are losing it
Sep 30, 2009 |
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(PhysOrg.com) -- Ram pressure is the drag force that results when something moves through a fluid -- much like the wind you feel in your face when bicycling, even on a still day -- and occurs in this context ...
NASA Provides Venerable Hubble Hardware to Smithsonian
Space & Earth / Space Exploration
Nov 19, 2009 |
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(PhysOrg.com) -- Two key instruments from NASA's Hubble Space Telescope have a new home in the Smithsonian's National Air and Space Museum in Washington after being returned to Earth aboard space shuttle Atlantis ...
Custom Blankets for the Hubble Space Telescope
Space & Earth / Space Exploration
Dec 17, 2007 |
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The Hubble Space Telescope Servicing Mission 4, scheduled for August 2008, aims to complete multiple upgrades and repairs, many of which are crucial for prolonging the telescope’s operational life. One of ...
Researchers examine Einstein's theories on the universe
Nov 27, 2007 |
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Einstein's self-proclaimed "biggest blunder" -- his postulation of a cosmological constant (a force that opposes gravity and keeps the universe from collapsing) -- may not be such a blunder after all, according to the research ...
Rebirth of an icon: Hubble's first images since Servicing Mission 4
Space & Earth / Space Exploration
Sep 09, 2009 |
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(PhysOrg.com) -- Astronomers today declared the NASA/ESA Hubble Space Telescope a fully rejuvenated observatory ready for a new decade of exploration, with the release of observations from four of its six ...
List of search results for hubble constant
