In a new paper appearing in Physical Review D, physicists describe how energy can be extracted from black holes.
Blog
“Old Faithful” Stellar Eruption Around Black Hole
We’ve managed to find a star that is regularly flaring up as it swoops by its black hole and is being called “Old Faithful” as it flashes every 114 days like clockwork.
Galactic Three-Body Problems
Researchers presented the results of combing through myriad catalogs of galaxy images in optical, infrared, and X-ray light to find triple systems.
Climate Change Impacts Earth, Including Truffles
Climate change increases erosion rates, breaks up rocks, causes sea level rise, and could be a boon for the growth of truffles.
VIDEO: Dome Fountain at Halema’uma’u
The USGS has uploaded a fantastic video of a lava dome forming from the lava lake inlet of Halema’uma’u crater earlier in the year.
What’s Up: January 14-20, 2021
What’s Up: Mercury and Jupiter get close, the Moon puts on its horns, and Orion is ready to shine high in the sky. Plus how to find asteroid 16 Psyche.
NASA Extends InSight and Juno Missions
Reviewers looking at the progress being made by the InSight mission on Mars and the Juno mission at Jupiter have determined both science missions are going well and received extensions.
Citizen Scientists Build 3D Map of Over 500 Nearby Brown Dwarfs
Citizen scientists from the Backyard Worlds: Planet 9 project delved into the DESI Legacy Surveys data they were provided and helped put together a 3D map of nearby brown dwarfs.
Number of Gravitational Lenses Doubles
The DESI Legacy Imaging Surveys have doubled the number of known
gravitational lenses.
DESI Legacy Imaging Surveys
The Dark Energy Spectroscopic Instrument (DESI) is a brand-new instrument installed at the Kitt Peak National Observatory (KPNO). It’s ready to come online, and it follows on the heels of the DESI Legacy Imaging Surveys.
