As comets approach the Sun, they release gas and dust known to astronomers as cometary activity. For comets passing near or inside Earth's orbit, this activity slows over successive orbits. University of Oklahoma astronomer ...
Astronomy
Mar 30, 2022
2
309
Solar Orbiter's latest images shows the full sun in unprecedented detail. They were taken on 7 March, when the spacecraft was crossing directly between the Earth and sun.
Space Exploration
Mar 25, 2022
0
490
Researchers from NYU Abu Dhabi's (NYUAD) Center for Space Science have discovered a new set of waves in the sun that, unexpectedly, appear to travel much faster than predicted by theory.
Astronomy
Mar 24, 2022
1
899
The number of sunspots on our sun typically ebbs and flows in a predictable 11-year cycle, but one unusual 70-year period when sunspots were incredibly rare has mystified scientists for 300 years. Now, a nearby sun-like star ...
Astronomy
Mar 24, 2022
1
973
What are the Trojan asteroids? These mysterious space rocks have been gravitationally trapped in Jupiter's orbit around the Sun for billions of years and hold clues to the formation of our solar system.
Space Exploration
Mar 22, 2022
0
29
Using ground-based and space-based observations, a team of researchers has been monitoring a difficult-to-see comet carefully. It's called Comet 323P/SOHO, and it was discovered over 20 years ago in 1999. But it's difficult ...
Astronomy
Mar 14, 2022
1
30
As NASA's Parker Solar Probe completes its latest swing around the sun, it's doing so in full view of dozens of other spacecraft and ground-based telescopes.
Space Exploration
Mar 14, 2022
0
91
We do not yet know whether the sun-like stars closest to us, the α Centauri A/B binary, harbor an Earth-like planet. However, thanks to new modeling work, we now have a good sense of what such a planet, should it exist, ...
Space Exploration
Mar 10, 2022
0
113
The ESA/NASA Solar Orbiter spacecraft is speeding towards its historic first close pass of the sun. On 14 March, the spacecraft will pass the orbit of Mercury, the scorched inner planet of our solar system, and on 26 March ...
Space Exploration
Mar 8, 2022
1
49
Many coronal loops—ropey strands of plasma that scientists have long thought existed in the Sun's atmosphere—may actually be optical illusions, according to a new paper that challenges prevailing assumptions of what we ...
Astronomy
Mar 2, 2022
3
625
