Earth’s Core Might Contain Hidden Helium That Doesn’t Come From This World
Our planet’s core is made mostly of iron, but it might also contain primordial helium that formed just after the Big Bang. Helium normally has trouble bonding with other elements, but researchers were ...
ZME Science on MSN5d
For the First Time Ever, Scientists Have Directly Detected Carbon Dioxide on Distant Planets
The discovery is keeping astronomers on their toes about how planets are formed.
Webb Telescope Captures First Direct Evidence of Carbon Dioxide on an Exoplanet
In 2022, the Webb telescope detected unequivocal evidence of carbon dioxide in the atmosphere of a distant exoplanet called ...
Courthouse News Service5d
Carbon dioxide found in exoplanet atmospheres reveals new insights into gas giants’ origins
Studying young gas giant exoplanets' compositions and orbits could help us better understand how our own solar system's gas ...
Super-Earths and mini-Neptunes: More Earth-like planets may exist
A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...
Earth.com2d
First direct image of CO2 outside our solar system captured by Webb
NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.
Physics World23d
Black hole’s shadow changes from one year to the next
confirm that M87*’s rotational axis points away from Earth. The analyses also indicate that turbulence within the rotating envelope of gas that surrounds the black hole – the accretion disc – plays a ...
Astronomer finds gas giant exoplanets formed earlier than previously thought
A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, according to new research.