Mar 6, 2025 by News Staff

The mass of the supermassive black hole in the center of the Large Magellanic Cloud, a small satellite galaxy of the Milky Way, is about 600,000 solar...

Feb 11, 2025 by News Staff

The candidate planetary system, detected with the microlensing method, is thought to move at least 540 km per second (1.2 million mph). An artist’s impression...

Jun 12, 2024 by News Staff

With an estimated distance of 140 parsecs (457 light-years), the L-subdwarf star CWISE J124909+362116.0 (J1249+36 for short) has a total speed of at least...

Aug 4, 2021 by News Staff

Using the NASA/ESA Hubble Space Telescope and NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have detected 8.9-hr variability in both...

Dec 29, 2020 by Sergio Prostak

Using data from the Large Sky Area Multi-object Fiber Spectroscopic Telescope (LAMOST) and ESA’s star-mapping satellite Gaia, astronomers have discovered...

Nov 13, 2019 by News Staff

A main-sequence hypervelocity star traveling at huge speeds after being ejected by Sagittarius A*, the supermassive black hole at the center of our Milky...

Sep 11, 2019 by News Staff

A runaway star called PG 1610+062 was probably ejected from the Milky Way’s Carina-Sagittarius spiral arm at a velocity of 341.8 mi/s (550 km/s) with...

Mar 15, 2019 by News Staff

Hypervelocity stars are solitary stars moving fast enough to escape the gravitational grasp of the Milky Way Galaxy. Discovered in 2014, LAMOST-HVS1 is...

Oct 4, 2018 by News Staff

Astronomers using data from ESA’s star mapping Gaia mission to look for hypervelocity stars being kicked out of our Milky Way Galaxy were surprised to...

Jul 5, 2017 by News Staff

Hypervelocity stars — ultrafast stars with speeds up to a few hundred miles per second above the average — were likely ejected from the Large...

Jul 2, 2017 by News Staff

With the help of an artificial neural network, ESA’s Gaia satellite spotted six hypervelocity stars — stars whose velocity in the rest frame of...

Mar 6, 2015 by News Staff

A multinational team of astronomers led by Dr Stephan Geier from the European Southern Observatory in Garching, Germany, has determined that a hypervelocity...

May 9, 2014 by News Staff

Astronomers from the United States and China have discovered a hypervelocity star (HVS) that is the closest bright HVS and one of the three most massive...

Jan 9, 2014 by News Staff

Scientists led by Lauren Palladino and Dr Kelly Holley-Bockelmann from Vanderbilt University have identified a new class of hypervelocity stars (HVSs)...