New Clues to Remains of Star That Exploded Just Outside Our Galaxy
What remains of the star that exploded just outside our galaxy in 1987? Debris has obscured scientists’ view, but two of NASA’s X-ray telescopes have…
NuSTAR
A Remarkable Cosmic Baby Is Discovered – And It’s Brilliant
Astronomers tend to have a slightly different sense of time than the rest of us. They regularly study events that happened millions or billions of…
Accidental Observation Results in First Complete Nova Eruption Recording in History
Satellite images from the BRITE mission with the participation of researchers from TU Graz and the Universities of Innsbruck and Vienna document for the first…
Incredible Power of Shock Waves in a Nova Explosion Revealed by NASA’s Fermi and NuSTAR
Unprecedented observations of a nova outburst in 2018 by a trio of satellites, including two NASA missions, have captured the first direct evidence that most…
Astronomers Study Mysterious Blast with NASA Telescopes
A brief and unusual flash spotted in the night sky on June 16, 2018, puzzled astronomers and astrophysicists across the globe. The event — called…
NuSTAR Satellite Confirms Binary Star System Shoots Cosmic Rays
An international collaboration operating NASA’s NuSTAR satellite has revealed that two of the biggest stars in the galaxy are capable of creating cosmic rays. Their…
NuSTAR Telescope Shows Eta Carinae Shoots Cosmic Rays
A new study using data from NASA’s NuSTAR space telescope suggests that Eta Carinae, the most luminous and massive stellar system within 10,000 light-years, is…
Chandra Discovers Neutron-Star-Powered Ultraluminous X-Ray Source
In the 1980s, researchers began discovering extremely bright sources of X-rays in the outer portions of galaxies, away from the supermassive black holes that dominate…
NuSTAR and Herschel Probe Black Hole Jet Mystery
Using NASA’s NuSTAR Space Telescope and the William Herschel Observatory, astronomers have been able to measure the distance that particles in jets travel before they…
Chandra Reveals 25 Bright Point-Like X-Ray Sources in Arp 299
New Chandra data has revealed 25 bright point-like X-ray sources in Arp 299, 14 of which are categorized as “ULXs”. These ULXs are likely binary…
NASA’s NuSTAR Telescope Shows Merging Galaxies Have Enshrouded Black Holes
Using NASA’s NuSTAR telescope, a team of astronomers reveals that in the late stages of galaxy mergers, so much gas and dust falls toward a…
NASA’s NuSTAR Probes Puzzling Galaxy Merger of the Was 49 System
A supermassive black hole inside the tiny galaxy Was 49b is challenging astronomers’ ideas about what happens when two galaxies become one. Was 49 is…
Chandra Discovers a Star in the Closest Known Orbit Around a Black Hole
Using NASA’s Chandra X-ray Observatory as well as NASA’s NuSTAR and CSIRO’s Australia Telescope Compact Array (ATCA), a team of astronomers reveals evidence for a…
Scientists Measure Temperature Swings of Black Hole Winds for the First Time
A team of scientists has measured rapidly varying temperatures in hot gas emanating from around a black hole for the first time. These ultrafast “winds”…
Astronomers Discover the Brightest Pulsar to Date, NGC 5907 ULX
Using the European Space Agency’s XMM-Newton satellite and NASA’s NuSTAR, astronomers have discovered the brightest pulsar to date. There’s a new record holder for brightest…
NuSTAR Helps Solve Forty-Year-Old Neutron Star Mystery
Astronomers may have solved a 40-year-old mystery surrounding a neutron star in the “Rapid Burster” system. Scientists observing a curious neutron star in a binary…
NASA’s NuSTAR Reveals New Clues to ‘Chameleon Supernova’
NASA’s NuSTAR satellite reveals new clues to why supernova SN 2014C dramatically changed in appearance over the course of a year. “We’re made of star…
Astronomers Prove the Existence of a “Gravitational Vortex” Around a Black Hole
Using data from XMM-Newton and NuSTAR, astronomers have proved the existence of a “gravitational vortex” around a black hole. This new discovery, aided by NASA’s…