385 results
385 results for: exoplanet
-
- Space
A newfound exoplanet may be the exposed core of a gas giant
A planet about 734 light-years away could be a former gas giant that lost its atmosphere or a failed giant that never finished growing.
- Space
Planets with many neighbors may be the best places to look for life
Solar systems with many planets in circular orbits suggest a calm life-nurturing past, while single exoplanets with eccentric orbits hint at chaos.
- Planetary Science
Some exoplanets may be covered in weird water that’s between liquid and gas
“Supercritical” water, a corrosive substance used to break down toxic waste on Earth, coats some small worlds around other stars, simulations suggest.
- Astronomy
How radio astronomy put new eyes on the cosmos
A century ago, radio astronomy didn’t exist. But since the 1930s, it has uncovered cosmic secrets from planets next door and the faint glow of the universe’s beginnings.
-
- Astronomy
Saturn has a fuzzy core, spread over more than half the planet’s diameter
Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.
- Astronomy
Hubble watched a lunar eclipse to see Earth from an alien’s perspective
Hubble observed sunlight filtering through Earth’s atmosphere during a lunar eclipse to see what a habitable exoplanet’s atmosphere might look like.
- Astronomy
The Milky Way may have grown up faster than astronomers suspected
Most of the galaxy’s disk was in place before a merger 10 billion years ago with a dwarf galaxy called Gaia-Enceladus/Sausage, a new study suggests.
- Astronomy
The definition of planet is still a sore point – especially among Pluto fans
In the 15 years since Pluto lost its planet status, scientists have continued to use the definition that works for them.
- Planetary Science
Some ‘superpuff’ exoplanets may actually be ringed worlds like Saturn
“Superpuff” planets look fluffy and light. But for some of the worlds, the effect could instead be explained by large, rocky rings, a study suggests.
- Space
‘Exotic’ lightning crackles across Jupiter’s cloud tops
Newly spotted lightning, which could form thanks to ammonia antifreeze, is weaker but more frequent than any flashes seen on Jupiter before.
