New chemistry "forensics" indicate that the stone named Hypatia from the Egyptian desert could be the first tangible evidence found on Earth of a supernova type Ia explosion. These rare supernovas are some of the most energetic ...
Astronomy
May 16, 2022
0
1132
Using the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST), astronomers have investigated a binary star known as TYC 2990-127-1. Results of the study suggest that this object is an Algol-type double-lined ...
Scientists studying V Hydrae (V Hya) have witnessed the star's mysterious death throes in unprecedented detail. Using the Atacama Large Millimeter/submillimeter Array (ALMA) and data from the Hubble Space Telescope (HST), ...
Astronomy
Mar 28, 2022
1
567
Based on LAMOST and Kepler data, a new study led by astronomers from National Astronomical Observatories of Chinese Academy of Sciences (NAOC) has revealed evolutionary features of lithium for evolved stars, which updates ...
Astronomy
Nov 24, 2021
0
166
Our universe is expanding, but our two main ways to measure how fast this expansion is happening have resulted in different answers. For the past decade, astrophysicists have been gradually dividing into two camps: one that ...
Astronomy
Jun 30, 2021
70
4230
Scientists have succeeded in dating some of the oldest stars in the galaxy with unprecedented precision by combining data from the stars' oscillations with information about their chemical composition.
Astronomy
May 17, 2021
5
579
Scientists have discovered one of the smallest black holes on record—and the closest one to Earth found to date.
Astronomy
Apr 21, 2021
25
14244
Red giant stars are, well, red and giant. But astronomers have always had difficulty estimating their temperatures due to their complex and turbulent atmospheres. Without an accurate gauge of their temperatures, it's difficult ...
Astronomy
Mar 15, 2021
0
6
An international team led by Prof. Dr. habil. Andrzej Niedzielski, an astronomer from the Nicolaus Copernicus University in Torun (Poland), has discovered yet another three extrasolar planets. These planets revolve around ...
Astronomy
Mar 2, 2021
0
141
By using a sample of 118945 red giant branch (RGB) stars from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) and Gaia, Dr. Wu Yaqian from the National Astronomical Observatories of the Chinese Academy ...
Astronomy
Feb 22, 2021
0
20
