TESS Satellite Discovered Its 1st World Orbiting 2 Stars

[music throughout] Narrator: NASA’s TESS mission just discovered its first circumbinary planet—a world orbiting two stars instead of one. Named TOI 1338 b, it’s nearly the size of Saturn and orbits its stars every 95 days. The two stars orbit each other and consist of a small, cool M dwarf and one much like the…

The Last Star in the Universe – Red Dwarfs Explained

One day the last star will die and the universe will turn dark forever.It will probably be a red dwarf; a tiny kind of star.That’s also one of our best bets to find alien life, and might be the last home of humanity before the universe becomes uninhabitable.So, what do we know about them, and…

Detecting Alien Stellar Engines

The universe can be a chaotic place where galaxies collide and stars get ejected towander the intergalactic universe unassociated with their parent galaxy.If this situation were to happen to an inhabited star system, it might not be desirable tobe ejected, or likewise if alien astronomers calculated a high likelihood that their starmight be eaten by…

NASA | Exoplanet Atmosphere Blasted by Stellar Flare

MusicMusicMusicNarrator: Just to the east of M27, the “Apple Core” nebula,there’s a star that can be seen in binoculars. And this star hostsa giant planet. The star is slightly smaller andcooler than our sun. In 2005, astronomers found it’s Jupiter-size planet, named HD 189733b.Incredibly, the planet orbits just 3 million milesfrom the star, twelve times…

Stellar Encounters and Scholz’s Star

We often think of the universe as being dauntingly large, so much so that traveling to the neareststar system, currently Proxima Centauri, seems only just within theoretical reach and eventhen, it will take many years to accomplish getting there.As a result, the idea of actually colonizing worlds that orbit other stars seems far inthe future,…

Stellar Classifications and Habitable Zones

When contemplating the possibility of other life in the universe, the main starting pointfor any star system is, well, it’s parent star.First and foremost, for life to be possible in a star system, the star itself must allowfor it.There are many that do not, for example giant stars that simply don’t live long enoughfor life…