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Powerful, nearby black holes could help to explain universe’s origins

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The Haro 11 galaxy. Like Tololo 0440-381, this nearby galaxy gives off a type of radiation that scientists think resembles the characteristics of the earliest stars in the universe. Haro 11 is about 300 million light-years away in the constellation Sculptor.  (Image credit: ESA/Hubble/ESO and NASA) Nearby galaxies and their black holes could hold the … Read more

The Tonga Volcanic Eruption Was So Powerful It Sent Ripples Out Into Space

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The ongoing volcanic eruption in Tonga began in December 2021, but it wasn’t until 5:15 pm local time on January 15, 2022, that the powerful explosion occurred. It generated an enormous cloud of ash, earthquakes, and tsunamis that reached as far as the distant coastlines of Peru on the other side of the Pacific.   … Read more

Powerful superflares discovered erupting from superdense stellar corpse

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A visualization of a superflare on the recurrent nova v2487 Oph. (Image credit: LSU Prof. Robert Hynes, with his BinSim program) A rare type of white dwarf star has been erupting in the most extreme superflares of its kind ever seen, researchers find in a new study. The star in question, known as V2487 Oph, … Read more

Powerful European Earth-observation satellite suffers anomaly in orbit

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One of humanity’s most powerful Earth-observing satellites is having some problems in orbit. The Sentinel-1B radar satellite, part of the European Union’s Copernicus Earth observation program, hasn’t beamed home any data since suffering an anomaly on Dec. 23. And the problem appears to be relatively serious. “Following the previous news on the Sentinel-1B anomaly that … Read more

Dinosaurs: T. rex had more powerful jaws than its theropod ancestors

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Theropod dinosaurs, including carnivores like T. rex and herbivores like Therizinosaurus, evolved deeper and stronger jaws over the course of the dinosaur age Life 16 December 2021 By Cameron Duke Theropods of the Late Cretaceous, including Gigantoraptor, Garudimimus and Neimongosaurus Gabriel Ugueto No matter whether they ate meat or plants, theropod dinosaur species had one … Read more

Black hole jet boasts double helix structure molded by powerful magnetic fields

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An extraordinary galactic jet ejected from a supermassive black hole boasts a corkscrew-like helical structure, new ground-based telescope views reveal. The black hole lies at the center of an elliptical galaxy called Messier 87 (M87), which is located roughly 55 million light-years from Earth. The black hole — the first, and only, black hole ever … Read more