Lifeboat Foundation

Could we identify an alien terraformed planet through the detection of greenhouse gases? This is what a recent study published in The Astrophysical Journal hopes to address as a team of international researchers investigated whether artificial greenhouse gases could be detected from an exoplanet whose alien inhabitants could be attempting to terraform that world, either from trying to control its climate or terraforming an uninhabitable planet into a habitable one. This study holds the potential to help scientists better understand the criteria and methods for identifying an extraterrestrial civilization, especially with the number of confirmed exoplanets increasing almost weekly.

“For us, these gases are bad because we don’t want to increase warming” said Dr. Edward Schwieterman, who is an Assistant Professor of Astrobiology at the University of California Riverside and lead author of the study. “But they’d be good for a civilization that perhaps wanted to forestall an impending ice age or terraform an otherwise-uninhabitable planet in their system, as humans have proposed for Mars.”

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LIFE after death could in some form be possible if the infinite universe theory is proved to be true, one physicist has claimed.

Using observations by NASA’s TESS (Transiting Exoplanet Survey Satellite) and many other facilities, two international teams of astronomers have discovered a planet between the sizes of Earth and Venus only 40 light-years away. Multiple factors make it a candidate well-suited for further study using NASA’s James Webb Space Telescope.

TESS stares at a large swath of the sky for about a month at a time, tracking the brightness changes of tens of thousands of stars at intervals ranging from 20 seconds to 30 minutes. Capturing transits — brief, regular dimmings of stars caused by the passage of orbiting worlds — is one of the mission’s primary goals.

“We’ve found the nearest, transiting, temperate, Earth-size world located to date,” said Masayuki Kuzuhara, a project assistant professor at the Astrobiology Center in Tokyo, who co-led one research team with Akihiko Fukui, a project assistant professor at the University of Tokyo. “Although we don’t yet know whether it possesses an atmosphere, we’ve been thinking of it as an exo-Venus, with similar size and energy received from its star as our planetary neighbor in the solar system.”

The SETI Institute has launched a new grants program to support the advancement of technosignature science, utilizing the Allen Telescope Array (ATA), a crucial observatory in the search for extraterrestrial technology. This program, the first of its kind, will fund research ranging from observational techniques to theoretical models in technosignature science, with grants available for non-tenured faculty and post-prelim graduate students. Credit: SETI Institute.

The SETI Institute’s new grants program supports advanced research in detecting extraterrestrial technosignatures with grants up to $100,000, leveraging the capabilities of the Allen Telescope Array.

The SETI Institute has introduced a groundbreaking grants program focused on advancing technosignature science. This unique initiative is designed to fund innovative research that tackles essential observational, theoretical, and technical challenges in the quest for technosignatures, which may reveal signs of past or present extraterrestrial technology.

New research suggests stars in the Milky Way give off infrared heat expected from Dyson spheres, which physicist Freeman Dyson theorized could be created by intelligent life.

O.o!!!! Woah even the news is talking about Dyson spheres now o.o

By Jacopo Prisco, CNN

(CNN) — What would be the ultimate solution to the energy problems of an advanced civilization? Renowned British American physicist Freeman Dyson theorized it would be a shell made up of mirrors or solar panels that completely surrounds a star — harnessing all the energy it produces.

Continue reading “‘Dyson spheres’ were theorized as a way to detect alien life. Scientists say they’ve found potential evidence” »

A lot of people are focused on signs of alien life, but the space telescope will have a lot to say about exoplanet geology and formation.

Interesting.

It proposes the universe has properties allowing observers to exist, explaining why physical constants seem fine-tuned for life.