When a young solar system gets going it's little more than a young star and a rotating disk of debris. Accepted thinking says that the swirling debris is swept up in planet formation. But a new study says that much of the ...
Astronomy
Sep 10, 2021
5
31
The NEID spectrometer, a new tool for the discovery of planets outside of our solar system, has now started its scientific mission at the WIYN 3.5m telescope at Kitt Peak National Observatory, Arizona.
Astronomy
Jul 20, 2021
0
399
Tantalizing evidence has been uncovered for a mysterious population of "free-floating" planets, planets that may be alone in deep space, unbound to any host star. The results include four new discoveries that are consistent ...
Astronomy
Jul 6, 2021
3
2035
A new analysis of known exoplanets has revealed that Earth-like conditions on potentially habitable planets may be much rarer than previously thought. The work focuses on the conditions required for oxygen-based photosynthesis ...
Astrobiology
Jun 23, 2021
2
256
Researchers from Penn's Department of Physics and Astronomy have developed a new method for better understanding the relationship between a star's chemical composition and planet formation. The study was led by recent graduate ...
Astronomy
Jun 10, 2021
1
2683
White dwarfs, the glowing cores of dead stars, often host disks of dusty debris. However, these debris disks only appear 10 to 20 millions of years following the star's violent Red Giant phase. A new paper by Planetary Science ...
Astronomy
Jun 3, 2021
0
144
An international collaboration of astronomers led by a researcher from the Astrobiology Center and Queen's University Belfast has detected a new chemical signature in the atmosphere of an extrasolar planet—i.e., a planet ...
Astronomy
Apr 27, 2021
2
371
During the past 25 years astronomers have discovered a wide variety of exoplanets, made of rock, ice and gas, thanks to the construction of astronomical instruments designed specifically for planet searches. Also, using a ...
Astronomy
Mar 4, 2021
12
2549
YAN Dongdong, GUO Jianheng and Xing Lei from Yunnan Observatories of the Chinese Academy of Sciences, collaborating with Huang Chenliang from University of Arizona, deduced that there is an expanding and escaping thermal ...
Astronomy
Feb 18, 2021
0
32
A team of astronomers led by the University of Arizona has observed a luminous quasar 13.03 billion light-years from Earth—the most distant quasar discovered to date. Dating back to 670 million years after the Big Bang, ...
Astronomy
Jan 12, 2021
8
5630
