The 'baritone' of red giants refines cosmic distance measurements
A fresh look at red giant stars offers key insights into cosmic distance measurements and a way to measure the universe's expansion with the highest accuracy.
A fresh look at red giant stars offers key insights into cosmic distance measurements and a way to measure the universe's expansion with the highest accuracy.
Astronomy
Mar 15, 2024
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129
A clean-up operation was underway Thursday after giant waves flooded a key US military base on the Marshall Islands in the heart of the South Pacific.
Environment
Jan 25, 2024
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17
Red giants are dying stars, in advanced stages of stellar evolution, which have depleted the hydrogen in their cores. In a study published today in Nature Communications, a team of astronomers mainly from Instituto de Astrofísica ...
Astronomy
Dec 16, 2022
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532
An unexpected "heat wave" of 700 degrees Celsius, extending 130,000 kilometers (10 Earth diameters) in Jupiter's atmosphere, has been discovered. James O'Donoghue, of the Japanese Aerospace Exploration Agency (JAXA), has ...
Astronomy
Sep 23, 2022
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1057
As a result of achieving high imaging dynamic range, a team of astronomers in Japan has discovered for the first time a faint radio emission covering a giant galaxy with an energetic black hole at its center. The radio emission ...
Astronomy
Jun 3, 2022
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798
Giant kelp forests around the world have struggled to stay healthy in recent decades, with some vanishing altogether. But along Patagonia's rugged southwestern coast, giant kelp are thriving, showing remarkable stability ...
Plants & Animals
Jun 2, 2022
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60
The very upper layer of our atmosphere is electrically charged and sometimes the electrons up there clump up and form giant waves larger than Texas that zip around the Earth faster than a jet plane. A team of researchers ...
Planetary Sciences
Mar 23, 2022
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A giant wave called recession arrived with COVID-19. But those surges will be followed by a bigger, even less manageable one—a devastating tsunami called climate change.
Environment
Jun 23, 2021
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8
Scientists have found fragments of titanium blasting out of a famous supernova. This discovery, made with NASA's Chandra X-ray Observatory, could be a major step in pinpointing exactly how some giant stars explode.
Astronomy
Apr 21, 2021
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3141
In a recently published study, a team of researchers led by the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav) at Monash university suggests an innovative method to analyse gravitational waves from neutron ...
Astronomy
Oct 13, 2020
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252