Could Ultracool Dwarfs Have Sun-Like Activity?
Sun-like stars have magnetic cycles that regulate their flares, starspots, and other activity. But what about stars much cooler and smaller than the Sun?
Sun-like stars have magnetic cycles that regulate their flares, starspots, and other activity. But what about stars much cooler and smaller than the Sun?
Astrobites reports on how our solar system may have evolved into the structure we see today.
This stunning snapshot is from a complex computer simulation of a core-collapse supernova.
Want to share astronomy by making a tour, interactive experience, or video using WorldWide Telescope? You should — and then you should enter it in the first WorldWide Telescope Competition!
The eccentric orbit of a low-mass white dwarf around a millisecond pulsar defies expectations of how binaries like this form.
Astrobites reports on one of the most distant planets ever discovered, at nearly 10,000 light-years away from Earth.
What if we could learn more about an asteroid near Earth without needing to land on it? We can — by flying through its dust!
What drives the tremendous explosions of superluminous supernovae? New observations of their geometry might provide clues.
Can we spot electromagnetic counterparts to gravitational waves? A new algorithm might narrow down the search.
Astrobites reports on the dusty environments where stars are born: do baby stars prefer hot or cold surroundings?
This negative image of NGC 5907 reveals the faint stellar stream that encircles the galaxy, forming loops around it — a fossil of a recent merger.
This week we’re at the DPS/EPSC meeting in Pasadena, California, exploring the latest developments in the field of planetary science. Here are the highlights from Day 4!