(Phys.org)—Black holes range from modest objects formed when individual stars end their lives to behemoths billions of times more massive that rule the centers of galaxies. A new study using data from NASA's Swift satellite ...
Astronomy
Dec 13, 2012
30
0
At very low temperatures, close to absolute zero, chemical reactions may proceed at a much higher rate than classical chemistry says they should – because in this extreme chill, quantum effects enter the picture. A Weizmann ...
Quantum Physics
Oct 11, 2012
6
0
(Phys.org)—Astronomers using NASA's Spitzer Space Telescope have announced the most precise measurement yet of the Hubble constant, or the rate at which our universe is stretching apart.
Astronomy
Oct 3, 2012
10
0
(Phys.org)—According to Einstein, whenever massive objects interact, they produce gravitational waves—distortions in the very fabric of space and time—that ripple outward across the universe at the speed of light. While ...
Astronomy
Sep 27, 2012
15
0
(Phys.org) -- Nearly one year ago, Pluto made headlines as the discovery of a fourth moon (shown above), dubbed "P4" was announced by a team which included Alan Stern, Principal Investigator for the New Horizons mission enroute ...
(Phys.org) -- Data from NASA's Voyager 1 spacecraft indicate that the venerable deep-space explorer has encountered a region in space where the intensity of charged particles from beyond our solar system has markedly increased. ...
Space Exploration
Jun 15, 2012
121
0
UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.
General Physics
Jan 29, 2012
14
0
(PhysOrg.com) -- For more than 25 years, our understanding of terrestrial space weather has been partly based on incorrect assumptions about how nitrogen, the most abundant gas in our atmosphere, reacts when it collides with ...
General Physics
Jun 8, 2010
1
0
(PhysOrg.com) -- Spiderman would definitely have an easier time of things with this spider silk - for example, if he had to stop a getaway car moving off at 100 kilometres per hour. A five-millimetre-thick thread would do ...
Condensed Matter
Apr 24, 2009
2
0
Who knew Earth's upper atmosphere was like alphabet soup? NASA's Global-scale Observations of the Limb and Disk (GOLD) mission has revealed unexpected C- and X-shaped formations in an electrified layer of gas high above our ...
Earth Sciences
Jun 27, 2024
0
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