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#exoplanets

12 posts7 participants0 posts today
Public
jbz

🔭 Webb Just Captured the First Direct Image of Carbon Dioxide on an Exoplanet

｢ The achievement was made possible by Webb’s coronagraphs, which block light from bright stars as happens in a solar eclipse to reveal otherwise hidden worlds. This allowed the team to look for infrared light in wavelengths that reveal specific gases and other atmospheric details ｣

scitechdaily.com/webb-just-cap

#exoplanets#jwst#space
Public
Mikko Tuomi

For decades, scientists have debated how small #exoplanets form.

New model suggests that #planets form in narrow rings at specific locations in the #protoplanetary disk, making #planet formation more organized than previously believed.

Simulations also imply that up to about 1% of super-Earth and mini-Neptune systems could host Earth-like planets within the #habitable zone.

This implies an occurrence rate of approximately one Earth-like planet per 300 sun-like stars.

astrobiology.com/2025/03/resea

Astrobiology · Research On Super-Earths And Mini-Neptunes Suggests More Earth-like Planets May Exist - AstrobiologyA new study by Rice University researchers Sho Shibata and Andre Izidoro 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 advanced simulations, the researchers propose that these planets emerge from […]
Public
Mikko Tuomi

Extremely Large Telescope should be able to gather spectra not just on #exoplanets that transit their #star, but also from non-transiting exoplanets via reflected starlight.

It should be possible to make clear and accurate distinctions for nearby star systems.

For the closest star, #Proxima Centauri, we could detect #life on an Earth-like world Proxima b with only 10 hours of observations.

#astronomy #astrobiology
phys.org/news/2025-03-extremel

Phys.org · Extremely Large Telescope could sense hints of life at Proxima Centauri in just 10 hours, simulations suggestBy Brian Koberlein
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