Why the sun's corona reaches temperatures of several million degrees Celsius is one of the great mysteries of solar physics. A "hot" trail to explain this effect leads to a region of the solar atmosphere just below the corona, ...
Astronomy
Jan 3, 2022
0
1520
On April 28, 2021, at 0933 UT (3:33 a.m. Eastern Daylight Time), NASA's Parker Solar Probe reached the sun's extended solar atmosphere, known as the corona, and spent five hours there. The spacecraft is the first to enter ...
Space Exploration
Dec 14, 2021
0
8063
Now is the best time to get a glimpse of Comet C/2021 A1, better known as Comet Leonard. It's named for its discoverer, Gregory Leonard, a senior research specialist at the University of Arizona Lunar and Planetary Laboratory.
Astronomy
Dec 14, 2021
0
1042
A total solar eclipse plunged Antarctica from summer into darkness early Saturday in a rare astronomical spectacle witnessed by a handful of scientists and thrill-seekers—and countless penguins.
Space Exploration
Dec 4, 2021
2
2308
Watch as eight stars skirt a black hole 1 million times the mass of the Sun in these supercomputer simulations. As they approach, all are stretched and deformed by the black hole's gravity. Some are completely pulled apart ...
Astronomy
Nov 26, 2021
4
2729
Monarch butterflies are famous for their annual long-distance migration, which takes them over several thousand kilometers from the north of the USA to their overwintering habitat in central Mexico. On their migration, the ...
Plants & Animals
Nov 24, 2021
0
124
Asteroids embody the story of our solar system's beginning. Jupiter's Trojan asteroids, which orbit the Sun on the same path as the gas giant, are no exception. The Trojans are thought to be left over from the objects that ...
Space Exploration
Oct 18, 2021
0
1125
When Pluto passed in front of a star on the night of August 15, 2018, a Southwest Research Institute-led team of astronomers had deployed telescopes at numerous sites in the U.S. and Mexico to observe Pluto's atmosphere as ...
Astronomy
Oct 4, 2021
3
367
By studying isotopic variations of the elements vanadium (V) and strontium (Sr), an international team of researchers including scientists from Lawrence Livermore National Laboratory found that those variations are not caused ...
Astronomy
Sep 29, 2021
0
136
Hoverflies use a combination of the sun and their body clock to navigate when they fly south for the winter, new research shows.
Plants & Animals
Sep 21, 2021
0
121
