Closest Orbit Around Black Hole

Star Discovered in Closest Known Orbit Around Likely Black Hole Astronomers have found evidence for a star that whips around a black hole about twice an hour. This may be the tightest orbital dance ever witnessed for a likely black hole and a companion star. This discovery was made using NASA’s Chandra X-ray Observatory as well as NASA’s NuSTAR and CSIRO’s Australia Telescope Compact Array (ATCA). The close-in stellar couple – known as a binary…

"Closest Orbit Around Black Hole"

Global Warming Could Kill Songbirds

U.S. Desert Songbirds at Risk in a Warming Climate Projected increases in the frequency, intensity and duration of heatwaves in the desert of the southwestern United States are putting songbirds at greater risk for death by dehydration and mass die-offs, according to a new study. Researchers used hourly temperature maps and other data produced by the North American Land Data Assimilation System (NLDAS)—a land-surface modeling effort maintained by NASA and other organizations—along with physiological data…

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"Global Warming Could Kill Songbirds"

7 New Planets!

NASA Telescope Reveals Largest Batch of Earth-Size, Habitable-Zone Planets Around Single Star Feb. 22, 2017 RELEASE 17-015 This illustration shows the possible surface of TRAPPIST-1f, one of the newly discovered planets in the TRAPPIST-1 system. Scientists using the Spitzer Space Telescope and ground-based telescopes have discovered that there are seven Earth-size planets in the system. Credits: NASA/JPL-Caltech View this and many more images, as well as several videos, in an extensive multimedia gallery highlighting this…

"7 New Planets!"