New research suggests that the famous black hole Cygnus X-1 – first black hole ever detected and one of the closest to Earth – is farther away and much more massive than previously believed. Source: https://earthsky.org/space/cygnus-x-1-black-hole-more-massive-farther…
Tag: Space
Best observing targets for binoculars
What are the best solar system and deep-sky objects to view to get the most out of your binoculars? From moon-encircled worlds to starry knots in the Milky Way, our list makes the sky’s wonders easy to find. Source: https://earthsky.org/astronomy-essentials/best-targets-for-binoculars-moon-planets-nebula-clusters…
Apple M1 Mac Users Report Excessive SSD Wear
Over the past week, some M1 Mac users have been reporting alarming SSD health readings, suggesting that these devices are writing extraordinary amounts of data to their drives. From a report: Across Twitter and the MacRumors forums, users are reporting that M1 Macs are experiencing extremely high drive writes over a short space of time. In what appear to be the…
Youngest American to go into space is also a cancer survivor
By the end of the year, Hayley Arceneaux will be the youngest American in space and one of the first tourists to enter orbit unaccompanied by professional astronauts. Source: https://phys.org/news/2021-02-youngest-american-space-cancer-survivor.html…
Delayed radio flares from a tidal disruption event
A team of researchers from the Hebrew University of Jerusalem (HUJI) led by Dr. Assaf Horesh have discovered the first evidence of radio flares emitted only long after a star is destroyed by a black hole. Published in the periodical Nature Astronomy, the discovery relied upon ultra-powerful radio telescopes to study these catastrophic cosmic events in distant galaxies called Tidal Disruption…
Ultraluminous X-ray pulsar M51 ULX-7 inspected by researchers
Using NASA’s Swift and Chandra space observatories, astronomers have investigated an ultraluminous X-ray pulsar known as M51 ULX-7. The study, detailed in a paper published February 16 on the arXiv pre-print server, sheds more light on the X-ray variability of this source. Source: https://phys.org/news/2021-02-ultraluminous-x-ray-pulsar-m51-ulx-.html…
3D map of a million binary stars
A new atlas of nearby binary stars plots more than a million pairs and reveals a profusion of identical twins. Source: https://earthsky.org/space/3d-map-million-binary-stars…
Cool video! Perseverance’s descent and touchdown on Mars
Check out this amazing new video from NASA’s Perseverance rover, showing its own descent and landing on the surface of Mars last week. Truly, it’s like nothing seen before! Source: https://earthsky.org/todays-image/video-perseverance-rover-descent-and-touchdown-on-mars…
Big galaxies steal star-forming gas from their smaller neighbours
Large galaxies are known to strip the gas that occupies the space between the stars of smaller satellite galaxies. Source: https://phys.org/news/2021-02-big-galaxies-star-forming-gas-smaller.html…
NASA’s Mars Perseverance Rover Provides Front-Row Seat to Landing, First Audio Recording of Red Planet
New video from NASA’s Mars 2020 Perseverance rover chronicles major milestones during the final minutes of its entry, descent, and landing (EDL) on the Red Planet on Feb. 18 as the spacecraft plummeted, parachuted, and rocketed toward the surface of Mars. A microphone on the rover also has provided the first audio recording of sounds from Mars. From a report: From…