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A Star With Six Planets That Orbit Perfectly in Sync

One hundred light years away, a handful of planets are circling a star in the same configuration as when they formed. ....

Rafael Luque , Renu Malhotra , University Of Chicago , Exoplanet Survey Satellite , European Space Agency Characterizing Exoplanet Satellite , University Of Arizona , Milky Way , European Space Agency , Characterizing Exoplanet Satellite , Transiting Exoplanet Survey Satellite , Nature Journal ,

Crazy, Close-Orbiting Lava World May Still Have Day-Night Cycles

Bizarre rocky exoworld - with what appears to be a normal day-night cycle - orbits so close to its parent star that the morning heat melts its surface. ....

Alexis Brandeker , Stockholm University , European Space Agency Characterizing Exoplanet Satellite , Space Telescope , European Space Agency , Characterizing Exoplanet Satellite , End Up This , 55 Cancri E , Lava World ,

A Newly Discovered Planetary System With an Unusual "Rhythm"

Numerous exoplanets are orbiting their host star in a very unusual but precise “rhythm”. Scientists made this discovery by focusing on the system’s rhythmic orbital dance.
When astronomers analyzed data collected by NASA’s Transiting Exoplanet Survey Satellite (TESS), they initially discovered three planets orbiting a star called TOI-178. But when they looked more closely at the system, they found that the planets were orbiting in a type of precise rhythm with each other. And after further analysis, they discovered that there are at least six planets in the system.
What’s even more interesting is that the planets are very different from one another. Experts were able to determine that these six planets are anywhere from 1.1 times to 3 times larger than Earth and they all have different densities, from being a rocky super-Earth-like planet to a gassy mini-Neptune. ....

Kate Isaak , European Space Agency Characterizing Exoplanet Satellite , University Of Bern , Exoplanet Survey Satellite , European Space Agency , Characterizing Exoplanet Satellite , European Extremely Large Telescope , James Webb Space , கேட் இஸாக் , பல்கலைக்கழகம் ஆஃப் பெர்ன் , ஐரோப்பிய மிகவும் பெரியது தொலைநோக்கி , ஜேம்ஸ் வலை இடம் ,

5 planets found in unusual rhythmic dance around a star 200 light-years away

5 planets found in unusual rhythmic dance around a star 200 light-years away
Astronomers have discovered a planetary system including six planets and it’s not quite like anything they’ve seen before. The system could challenge the theories scientists have about how planets form and change over time.
Our solar system is just one of many planetary systems, and so far, no two systems are alike. The systems vary in the number and type of planets they contain.
About 200 light-years away from us is the star TOI-178, found in the Sculptor constellation. The research team initially thought there were only two stars orbiting the planet. ....

Yann Alibert , Nathan Hara , Adrien Leleu , European Space Agency Characterizing Exoplanet Satellite , University Of Bern , European Space Agency , European Southern Observatory , நாதன் ஹரா , பல்கலைக்கழகம் ஆஃப் பெர்ன் , ஐரோப்பிய தெற்கு கண்காணிப்பு ,