For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an evolved, or older, host star. The stricken world appears destined to spiral closer and closer to its maturing star until collision ...
Astronomy
Dec 19, 2022
0
870
Indian astronomers have performed long-term radio observations of a "black widow" millisecond pulsar known as PSR J1544+4937. Results of the observational campaign, published November 25 on the arXiv pre-print server, shed ...
Binary systems are ideal for accurately identifying basic physical parameters, such as mass, radius and luminosity, of stars. Pulsating variable stars are especially significant, as they offer means for detecting stellar ...
Astronomy
Nov 25, 2022
0
6
Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected a new low-mass, pre-main-sequence binary system. The newfound binary, designated 2M1222−57, contains two stars the size of the sun but ...
Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected three companions to aged stars—two low-mass stars and one brown dwarf. The newfound objects are the size of Jupiter ...
If you surfed the web this morning, you may have seen news of the latest existential threat to humanity: a "planet killer" asteroid named 2022 AP7.
Astronomy
Nov 2, 2022
0
55
Indian astronomers have employed NASA's NuSTAR spacecraft to inspect an X-ray pulsar known as 1E 1145.1-6141. Results of the observations deliver important insights into the properties and nature of this pulsar. The study ...
An international team of astronomers has discovered a new inflated "hot Jupiter" exoplanet as part of the Next Generation Transit Survey (NGTS). The newfound alien world, designated NGTS-21b is about 30% larger and more than ...
NASA on Tuesday celebrated exceeding expectations during a mission to deflect a distant asteroid, in a sci-fi like test of humanity's ability to stop an incoming cosmic object from devastating life on Earth.
Planetary Sciences
Oct 11, 2022
20
709
An international team of astronomers has analyzed the photometric and spectroscopic observations of a candidate cataclysmic variable known as OGLE-BLG504.12.201843. Results of this analysis suggest that this object is an ...
