A close look at the “stellar stream” known as Theia 456 finds it contains contains 468 stars born at the same time. Source: https://earthsky.org/space/theia-456-stellar-stream-468-stars-born-together…
Tag: aas
Nearby red dwarf star not so quiet and life-friendly after all
Astronomers say the nearby red dwarf star Gliese 887 appears to have more dangerous flare activity than first believed. This could make life tough – but maybe not impossible – on its family of super-Earth planets. Source: https://earthsky.org/space/red-dwarf-gliese-887-flares-in-ultraviolet-light…
Astronomers issue report on the effect of ‘satellite constellations’ on astronomy
A new report concludes that large constellations of bright satellites in low-Earth orbit will fundamentally change ground-based astronomy and impact the appearance of the night sky for stargazers worldwide. Source: https://earthsky.org/space/astronomers-report-effect-of-satellite-constellations-astronomy…
Scientists to strike on June 10 #ShutDownSTEM #Strike4BlackLives
EarthSky is joining the grassroots effort to #ShutDownSTEM and #Strike4BlackLives on Wednesday, June 10. Thousands of researchers around the world have pledged to pause their work on Wednesday to support the ongoing Black Lives Matter movement and efforts against racism in the scientific community and society at large. Source: https://earthsky.org/human-world/shutdownstem-strike4blacklives-june-10-2020…
A 2nd exoplanet confirmed for Proxima Centauri
Astronomers at McDonald Observatory have confirmed a second planet – 7 times more massive than Earth – orbiting Proxima Centauri, the closest star to our sun. Source: https://earthsky.org/space/2nd-exoplanet-confirmed-proxima-centauri…
Did ancient Mars have rings?
A new study of Mars’ smallest moon Deimos, by scientists from the SETI Institute and Purdue University, suggests that the planet used to have rings a few billion years ago. Source: https://earthsky.org/space/did-ancient-mars-have-rings-deimos…
Astronomers award 2020 Education Prize to Deborah Byrd
Byrd received the prize from the American Astronomical Society, the largest organization of U.S. astronomers. The prizes are given for outstanding achievements in scientific research, education, scholarly writing, and service to the astronomical community. Source: https://earthsky.org/human-world/2020-aas-education-prize-deborah-byrd…