Using the James Webb Space Telescope, astronomers have conducted near- and mid-infrared observations of an extremely metal-poor blue compact dwarf galaxy known as I Zwicky 18. Results of the observational campaign, presented ...
A large international team of astronomers has discovered the smallest known star to date, and found that it is paired with another, somewhat larger star. Their paper is published in the journal Nature Astronomy,.
Astronomers using the NASA/ESA Hubble Space Telescope observed the smallest exoplanet where water vapor has been detected in its atmosphere. At only approximately twice Earth's diameter, the planet GJ 9827d could be an example ...
Astronomy
Jan 25, 2024
0
177
Using NASA's Transiting Exoplanet Survey Satellite (TESS), a team of astronomers from Harvard-Smithsonian Center for Astrophysics (CfA) in Cambridge, Massachusetts, and elsewhere has detected a new exoplanet. The newfound ...
Russian astronomers have performed spectroscopic and photometric observations of a peculiar eclipsing polar known as BS Tri. Result of this observational campaign, presented in a paper published December 23 on arXiv.org, ...
A team led by UdeM astronomers has found evidence that two exoplanets orbiting a red dwarf star are "water worlds," planets where water makes up a large fraction of the volume. These worlds, located in a planetary system ...
Astronomy
Dec 15, 2022
0
844
Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), astronomers have observed a young planetary nebula known as IC 4997. Results of the observational campaign, presented in a paper published May 12 on ...
Ultra-short-period planets are small, compact worlds that whip around their stars at close range, completing an orbit—and a single, scorching year—in less than 24 hours. How these planets came to be in such extreme configurations ...
Astronomy
Dec 2, 2021
3
495
Scientists have spotted the largest flare ever recorded from the sun's nearest neighbor, the star Proxima Centauri.
Astronomy
Apr 21, 2021
20
11423
A team of transatlantic scientists, using reanalyzed data from NASA's Kepler space telescope, has discovered an Earth-size exoplanet orbiting in its star's habitable zone, the area around a star where a rocky planet could ...
Astronomy
Apr 15, 2020
9
4749
