Sometimes, seeing clearly requires complete black. For astronomy and precision optics, coating devices in black paint can cut down on stray light, enhancing images and boosting performance. For the most advanced telescopes ...
Nanophysics
Mar 12, 2024
0
92
Sunspots are the most noticeable manifestation of solar magnetic field concentrations in the photosphere. A typical mature sunspot has an umbra and a penumbra. Light bridges (LBs) are the strip-like bright features, two ends ...
Astronomy
Jan 18, 2023
0
36
For almost 10 years, NASA's NuSTAR (Nuclear Spectroscopic Telescope Array) X-ray space observatory has been studying some of the highest-energy objects in the universe, such as colliding dead stars and enormous black holes ...
Astronomy
Mar 1, 2022
3
3126
A joint NASA-U.S. Naval Research Laboratory experiment dedicated to studying the origins of solar energetic particles—the Sun's most dangerous form of radiation—is ready for launch.
Space Exploration
Oct 26, 2021
0
9
A team of researchers at the Centre Spatial de Liège (CSL) of the University of Liège has just developed a method to identify the contributors and origins of stray light on space telescopes. This is a major advance in the ...
Optics & Photonics
May 19, 2021
1
139
Set against a piece of black construction paper, the wings of the male cattleheart butterfly look even blacker than black.
Bio & Medicine
Mar 10, 2020
2
500
Astrophysicists are joining sightseers in watching Monday's total solar eclipse across North America but, in the decade to come, they will be viewing eclipses that last for hours instead of a few minutes – thanks to a pioneering ...
Space Exploration
Aug 18, 2017
0
5
The BepiColombo mission to Mercury is undergoing final testing at ESA's technical centre in the Netherlands prior to its launch from Europe's Spaceport in Kourou, French Guiana in October 2018.
Space Exploration
Mar 6, 2017
0
7
Rochester Institute of Technology researchers have solved a problem nagging NASA's Landsat 8 Earth-sensing satellite.
Earth Sciences
Nov 16, 2016
0
6
By converging in orbit, a pair of small satellites will open a new view on the source of the largest structure in the Solar System: the Sun's ghostly atmosphere, extending millions of kilometres out into space.
Space Exploration
Sep 12, 2016
0
20
