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Super Fluffy Cotton Candy Exoplanet Discovery Shocks Scientists - We Can t Explain How This Planet Formed

Orbital Harmony Limits Late Arrival Of Water On TRAPPIST-1 Planets

Orbital Harmony Limits Late Arrival Of Water On TRAPPIST-1 Planets
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A compositional link between planets and their respective host star has long been assumed in astronomy. For the first time now, a team of scientists, ..

The 7 rocky TRAPPIST-1 planets may be made of similar stuff

The 7 rocky TRAPPIST-1 planets may be made of similar stuff Credit: NASA/JPL-Caltech. The red dwarf star TRAPPIST-1 is home to the largest group of roughly Earth-size planets ever found in a single stellar system. Located about 40 light-years away, these seven rocky siblings provide an example of the tremendous variety of planetary systems that likely fill the universe. A new study published in the Planetary Science Journal shows that the TRAPPIST-1 planets have remarkably similar densities. That could mean they all contain about the same ratio of materials thought to compose most rocky planets, like iron, oxygen, magnesium, and silicon.

These 7 Earth-size exoplanets named after beer may be incredibly similar

These 7 Earth-size exoplanets named after beer may be incredibly similar CNN 1/26/2021 © NASA This graphic shows the TRAPPIST-1 planetary system. Just 40 light-years from Earth is a planetary system that has intrigued scientists since its discovery in 2016. While some of the planets in this system will be observed by the upcoming James Webb Space Telescope, scheduled to launch in October, researchers continue to uncover new details that make TRAPPIST-1 even more distinct. The planets, which are too small and faint to be seen by any current ground or space-based telescopes, have such similar densities that they may have equally similar compositions, new research has suggested.

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