Stars with the mass of the sun or larger are typically accompanied by one or more orbiting companion stars. The system forms when gravity contracts the gas and dust of an interstellar cloud until clumps develop that are dense ...
Astronomy
Jul 1, 2022
0
173
From afar, the Sun appears blank and featureless in visible light. But through a solar telescope in different wavelength, it is revealed to be much, much more.
Astronomy
Jun 16, 2022
1
153
Astronomers using a fleet of world leading telescopes on the ground and in space have captured images of a periodic rocky near-sun comet breaking apart. This is the first time such a comet has been caught in the act of disintegrating ...
Astronomy
Jun 15, 2022
0
571
This mosaic of dusty, swirling disks shows a sample of images captured from the International Gemini Observatory, a Program of NSF's NOIRLab, as part of an unprecedented survey of 44 young massive stars. An international ...
Astronomy
Jun 15, 2022
0
250
Researchers have tracked the first fractions of a second after light strikes solar cells, providing insights into how they produce electricity.
General Physics
Jun 14, 2022
0
71
Solar flares are among the most violent explosions in our solar system, but despite their immense energy—equivalent to a hundred billion atomic bombs detonating at once—physicists still haven't been able to answer exactly ...
Astronomy
Jun 8, 2022
1
511
In the early 2000s, a new set of data revised the chemical abundances at the surface of the sun, contradicting the values predicted by the standard models used by astrophysicists. Often challenged, these new abundances made ...
Astronomy
May 31, 2022
0
1070
Solar sailing technology has been a dream of many for decades. The simple elegance of sailing on the light waves of the sun does have a dreamy aspect to it that has captured the imagination of engineers as well as writers. ...
Space Exploration
May 31, 2022
0
93
On March 26, the ESA's Solar Orbiter made its closest approach to the sun so far. It ventured inside Mercury's orbit and was about one-third the distance from Earth to the sun. It was hot but worth it.
Space Exploration
May 26, 2022
0
80
What do you do when a tried-and-true method for determining the sun's chemical composition appears to be at odds with an innovative, precise technique for mapping the sun's inner structure? That was the situation facing astronomers ...
Astronomy
May 23, 2022
6
2372
