News tagged with gravitational physics
XMM-Newton uncovers a celestial Rosetta stone
Sep 03, 2009 |
4.9 / 5 (16) |
7
(PhysOrg.com) -- ESA's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular ...
Vanquishing infinity: Old methods lead to a new approach to finding a quantum theory of gravity
Aug 17, 2009 |
4.2 / 5 (12) |
2
Quantum mechanics and Einstein's theory of general relativity are both extremely accurate theories of how the universe works, but all attempts to combine the two into a unified theory have ended in failure. ...
Goal: developing the best atomic clock in the world
May 29, 2009 |
3.7 / 5 (3) |
0
They are masters at working with light: the scientists at the newly founded QUEST Institute at the Physikalisch-Technische Bundesanstalt (PTB), Braunschweig. And they want to work on some of the most exciting questions relating ...
Search results for gravitational physics
Physicists detect two candidate dark matter interactions, but say the data are not conclusive
Dec 18, 2009 |
4.1 / 5 (16) |
6
(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...
Studying how black holes grow
Space & Earth / Space Exploration
Dec 17, 2009 |
5 / 5 (2) |
1
Black holes are some of the most exotic objects in the universe. They are the final evolutionary stage of giant stars much larger than the sun. When these stars explode, their cores collapse down to the size ...
Study: Earth's polar ice sheets vulnerable to even moderate global warming
Space & Earth / Earth Sciences
Dec 16, 2009 |
2.8 / 5 (46) |
40
A new analysis of the geological record of the Earth's sea level, carried out by scientists at Princeton and Harvard universities and published in the Dec. 16 issue of Nature, employs a novel statistical approa ...
RIT astronomer mines Spitzer Space Telescope data for massive starbursts
Dec 08, 2009 |
4.3 / 5 (3) |
0
Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...
Does weak equivalence break down at the quantum level?
Dec 08, 2009 |
4.5 / 5 (26) |
18
(PhysOrg.com) -- One of the givens in physics is the weak equivalence principle. This principle has been considered solid since Einstein proposed that it is not possible to detect the difference between uniform acceleration ...
Scientists Generate Black Hole Radiation in the Lab
Dec 07, 2009 |
4.2 / 5 (32) |
9
(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...
German high-school students involved in an astronomical research project
Space & Earth / Space Exploration
Nov 05, 2009 |
4 / 5 (1) |
0
This week, Astronomy & Astrophysics publishes a somewhat unusual research article because it is co-authored by German high-school students. Led by astronomer Klaus Beuermann (University of Göttingen, Germany), the team i ...
Chinese scientists create metamaterial black hole
Oct 16, 2009 |
4 / 5 (56) |
20
(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...
For Future Superconductors, a Little Bit of Lithium May Do Hydrogen a Lot of Good
Oct 05, 2009 |
4.3 / 5 (12) |
5
(PhysOrg.com) -- Scientists have a long and unsuccessful history of attempting to convert hydrogen to a metal by squeezing it under incredibly high and steady pressures.
Sea level stargazing: Astronomers make key sighting with Florida telescope
Sep 28, 2009 |
4 / 5 (9) |
0
(PhysOrg.com) -- This summer, University of Florida astronomers inaugurated the world's largest optical telescope on a nearly 8,000-foot mountaintop 3,480 miles away. But it was a far more modest observatory, located just ...
List of search results for gravitational physics
