Why do galaxies shrink?
An astronomer studying the 3 main processes that cause galaxies to lose mass found that the dominant process depends on the size and age of…
Category: Astronomy
Why the Milky Way is shaped like a spiral
A team of astronomers reconstructed a 3-part history of the Milky Way Galaxy by comparing the physics and chemistry of 10 million red giant…
Exoplanets with weird orbits might be more habitable
Astronomers modeled the ideal climatic and atmospheric conditions for exoplanets and found that planets with non-circular orbits had more…
Astronomers discover new rare hot Neptunes
Scientists discovered 2 new examples of medium-sized, closely-orbiting exoplanets whose characteristics shed light on how planetary systems…
Machine learning has its limits when studying hard-to-see galaxies
Scientists in South America and Italy found that a machine-learning algorithm astronomers commonly use to analyze large datasets classified…
How did Saturn’s moon Titan get its haze?
Researchers found that meteoroids ejected from Enceladus could impact Titan’s atmosphere to form its iconic organic haze.
Could planets orbiting dwarf stars have liquid water?
A team of planetary scientists in Japan found Earth-like planets orbiting dwarf stars could still harbor liquid water if they started out…
Scientists found neutron stars merge to make heavy elements
A team of astrophysicists in China simulated collisions between the remains of former stars and showed the resulting explosions could…
The universe’s dust is on the decline
Astronomers found the density of dust in the universe has been steadily decreasing for the last 10 billion years, as it coalesced to form…
DART collision alters path of a near-Earth asteroid
Scientists tested planetary defense technology by slamming a spacecraft into an asteroid in an attempt to alter its course. They used…