NASA's planet hunter, the Kepler space telescope, has captured the brilliant flash of an exploding star's shock wave—what astronomers call the "shock breakout" of a supernova—for the first time in visible light wavelengths.
Astronomy
Mar 21, 2016
0
166
(Phys.org) —As the closest planet to Earth, Venus is a relatively easy object to observe. However, many mysteries remain, not least the super-rotation of Venus' atmosphere, which enables high altitude winds to circle the ...
Space Exploration
Jun 18, 2013
38
0
Researchers have developed a transparent protective coating material that can self-heal in 30 minutes when exposed to sunlight.
Polymers
Aug 8, 2022
0
204
An international team of astronomers led by Pierluigi Rinaldi of the University of Groningen has detected for the first time H-alpha emission in individual galaxies during the so-called Epoch of Reionization, or cosmic dawn. ...
Astronomy
Jun 13, 2023
3
510
Since the early 2000s, more and more objects have been discovered in the outer solar system that resemble planets. However, until they are officially classified, the terms Kuiper Belt Object (KBO) and Trans-Neptunian Object ...
Space Exploration
Aug 31, 2015
6
42
When astronomers talk about an optical telescope, they often mention the size of its mirror. That's because the larger your mirror, the sharper your view of the heavens can be. It's known as resolving power, and it is due ...
Astronomy
Feb 24, 2020
0
79
Electrical engineers from the UCLA Samueli School of Engineering have developed a more efficient way of converting light from one wavelength to another, opening the door for improvements in the performance of imaging, sensing ...
General Physics
Jul 30, 2021
18
913
A pulsar that is able, without warning, to dramatically change the way in which it shines has been identified by an international team of astronomers.
Astronomy
Jan 24, 2013
25
0
Semiconductor lasers are the most widely used lasers due to their compact size, high efficiency, low cost and wide spectra. But they suffer low output power and low beam quality—two specifications difficult to improve simultaneously. ...
Optics & Photonics
May 5, 2022
0
306
In 2016, astronomers working for the European Southern Observatory (ESO) confirmed the existence of a terrestrial planet around Earth's closest stellar neighbor—Proxima Centauri. The discovery of this nearby extrasolar ...
Astronomy
Apr 20, 2020
0
54
