When a fire extinguisher is opened, the compressed carbon dioxide forms ice crystals around the nozzle, providing a visual example of the physics principle that gases and plasmas cool as they expand. When our sun expels plasma ...
Space Exploration
Apr 15, 2020
17
661
Astronomers have conducted photometric and spectroscopic observation of a changing-look Seyfert galaxy known as NGC 3516. During this monitoring campaign, the researchers detected a flare from this galaxy that may provide ...
A team of U.S.-Canadian astronomers has conducted radial velocity observations of four binary white dwarf candidates. They report that two of them, designated WD 0311−649 and WD 1606+422, are apparently double-lined spectroscopic ...
For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars—the most mysterious objects in the universe.
Astronomy
Nov 27, 2019
17
1396
The fruit flies in Noah Whiteman's lab may be hazardous to your health.
Plants & Animals
Oct 2, 2019
6
305
For five months in mid 2017, Emily Mason did the same thing every day. Arriving to her office at NASA's Goddard Space Flight Center in Greenbelt, Maryland, she sat at her desk, opened up her computer, and stared at images ...
Astronomy
Apr 5, 2019
26
925
An international team of researchers has succeeded in making 13,200 edits to a single cell—and the cell survived. In their paper uploaded to the bioRxiv preprint server, the team describes the edits they made, how they ...
Astronomers have conducted observations of a symbiotic star in the Large Magellanic Cloud (LMC), known as LMC S154, which provide new insights about the nature of this object. Results of these observations, presented in a ...
Fast magnetic reconnection, the rapid convergence, separation and explosive snapping together of magnetic field lines, gives rise to northern lights, solar flares and geomagnetic storms that can disrupt cell phone service ...
Plasma Physics
Feb 19, 2019
1
192
Japanese astronomers report the identification of a new ultra-luminous infrared galaxy (ULIRG) as part of the search for far-infrared-bright but optically faint objects. The newly detected ULIRG, designated AKARI-FIS-V2 J0916248+073034, ...
