NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and ESA's (European Space Agency) XMM-Newton telescope are showing that fierce winds from a supermassive black hole blow outward in all directions—a phenomenon that ...
Astronomy
Feb 19, 2015
16
2478
(Phys.org)—A new review of a notebook filled with scrawlings by Isaac Newton shows that he very nearly uncovered the secret of how plants defy gravity by pulling water up from roots all the way into their stems and leaves. ...
Some physical principles have been considered immutable since the time of Isaac Newton: Light always travels in straight lines. No physical object can change its speed unless some outside force acts on it.
General Physics
Jan 21, 2015
12
3765
(Phys.org) —Massive stars end their lives with a bang, exploding as supernovas and releasing massive amounts of energy and matter. What remains of the star is a small and extremely dense remnant: a neutron star or a black ...
Astronomy
Sep 1, 2014
0
0
Researchers from Moscow Institute of Physics and Technology and the Space Research Institute of the Russian Academy of Sciences have reported registering three possible occasions of the total destruction of stars by supermassive ...
Astronomy
Aug 11, 2014
0
0
Take a look at the moon and it isn't hard to imagine it as a planet. A 3,476 kilometres-in-diameter ball of rock, with basalt plains and mountain ranges, whose gravitational pull produces tides here on Earth.
Space Exploration
Aug 11, 2014
0
0
Astronomers studied the gamma-ray burst GRB130925A – a flash of very energetic radiation streaming from a star in a distant galaxy – using space- and ground-based observatories.
Astronomy
Jul 11, 2014
1
0
(Phys.org) —A mysterious X-ray signal has been found in a detailed study of galaxy clusters using NASA's Chandra X-ray Observatory and ESA's XMM-Newton. One intriguing possibility is that the X-rays are produced by the ...
Astronomy
Jun 24, 2014
18
0
(Phys.org) —XMM-Newton has revealed a unique star. It is a celestial chimera with the body of a normal massive star yet the magnetic field of a dead, stellar dwarf. This makes it a singular object among the billions of ...
Astronomy
Jun 4, 2014
4
0
In this month's issue of Physics World, Felicity Mellor, a senior lecturer in science communication at Imperial College London, questions whether the requirement of the modern physicist to collaborate and communicate is preventing ...
General Physics
Apr 1, 2014
8
0
