'Cool' stars may not be so unique
Stars scattered throughout the cosmos look different, but they may be more alike than once thought, according to Rice University researchers.
Astronomy
Aug 9, 2021
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Page 2 - News tagged with cool stars
A new super-Earth detected orbiting a red dwarf star
In recent years there has been an exhaustive study of red dwarf stars to find exoplanets in orbit around them. These stars have effective surface temperatures between 2400 and 3700 K (over 2000 degrees cooler than the Sun), ...
Astronomy
Apr 16, 2021
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10752
Astronomers discover an Earth-sized 'pi planet' with a 3.14-day orbit
In a delightful alignment of astronomy and mathematics, scientists at MIT and elsewhere have discovered a "pi Earth"—an Earth-sized planet that zips around its star every 3.14 days, in an orbit reminiscent of the universal ...
Astronomy
Sep 21, 2020
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Astronomers pinpoint rare binary brown dwarf
Astronomers working on 'first light' results from a newly commissioned telescope in Chile made a chance discovery that led to the identification of a rare eclipsing binary brown dwarf system.
Astronomy
Mar 9, 2020
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259
A dormant volcano: the black hole at the heart of our galaxy is more explosive than we thought
The supermassive black hole at the heart of our galaxy spat out an enormous flare of radiation 3.5 million years ago that would have been clearly visible from Earth.
Astronomy
Oct 8, 2019
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The SPECULOOS telescopes and searching for red worlds in the northern skies
With a new telescope situated on a scenic plateau in Tenerife, Spain, MIT planetary scientists now have an added way to search for Earth-sized exoplanets. Artemis, the first ground-based telescope of the SPECULOOS Northern ...
Astronomy
Jun 21, 2019
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Habitable zone planet finder enables discovery of planets around cool stars
A new astronomical spectrograph built by a Penn State-led team of scientists provides the highest precision measurements to date of infrared signals from nearby stars, allowing astronomers to detect planets capable of having ...
Astronomy
Feb 21, 2019
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First light for SPECULOOS
The SPECULOOS Southern Observatory (SSO) has been successfully installed at the Paranal Observatory and has obtained its first engineering and calibration images—a process known as first light. After finishing this commissioning ...
Astronomy
Dec 5, 2018
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First coronal mass ejection from a star other than the sun observed
A team of researchers led by Costanza Argiroffi, an astronomer at the University of Palermo in Italy, has found evidence of a coronal mass ejection (CME) from a star that was not our sun—the first ever observed. They reported ...
Astronomers observe unprecedented detail in pulsar 6,500 light-years from Earth
A team of astronomers has performed one of the highest resolution observations in astronomical history by observing two intense regions of radiation, 20 kilometres apart, around a star 6500 light-years away.
Astronomy
May 23, 2018
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