Scientists unveil a unified theory for rocky planet formation

A new theory for how rocky planets form could explain the origin of so-called "super-Earths"—a class of exoplanets a few times more massive than Earth that are the most abundant type of planet in the galaxy.

A model-independent method to weigh protoplanetary disks

Astronomers have found a way to directly measure the amount of gas in protoplanetary disks without needing to make assumptions about the relative amounts of different types of gas, making this method more accurate and robust ...

NASA's Webb catches fiery hourglass as new star forms

New details surrounding the dark cloud L1527 and its protostar have been revealed by NASA's James Webb Space Telescope. The nebula's vibrant colors, only visible in infrared light, show the protostar is in the midst of gathering ...

It's a planet: New evidence of baby planet in the making

Astronomers agree that planets are born in protoplanetary disks—rings of dust and gas that surround young, newborn stars. While hundreds of these disks have been spotted throughout the universe, observations of actual planetary ...

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