exoplanets | Universe Today

exoplanets

These Incredible Images of Alien Worlds are Actually Miniatures

Have you heard of Adam Makarenko? No? Adam is an artist who makes physical models of exoplanets then creates elaborate…

5 days ago

Neptune-Sized Planet Found Orbiting a Dead White Dwarf Star. Here’s the Crazy Part, the Planet is 4 Times Bigger Than the Star

Astronomers have discovered a large Neptune-sized planet orbiting a white dwarf star. The planet is four times bigger than the…

1 week ago

Of the Two Stars in Alpha Centauri, One is Probably More Habitable than the Other

A new study has shown that the Alpha Centauri is not likely to support life and that one of its…

3 weeks ago

How Large Can A Planet Be?

When it comes to planets, the largest planet in the universe probably isn't the most massive.

4 weeks ago

Tatooines everywhere? Many of the Exoplanets Already Discovered are in Multi-Star Systems

Right now, we know of about 4,000 confirmed exoplanets, mostly thanks to the Kepler mission. TESS, the Transiting Exoplanet Survey…

1 month ago

TESS Has Now Captured Almost the Entire Southern Sky. Here’s a Mosaic Made of 15,347 Photographs

NASA has just released a beautiful panoramic image of the southern sky, which is composed of images taken by the…

1 month ago

It Seems Impossible, But Somehow This Planet Survived its Star’s Red Giant Phase

Astronomers working with TESS (Transiting Exoplanet Survey Satellite) data have found a planet where it shouldn't be: in the space…

1 month ago

Astronomers See the Wreckage from a Collision Between Exoplanets

The history of our Solar System is punctuated with collisions. Collisions helped create the terrestrial planets and end the reign…

2 months ago

Planet Sizes Matter for Habitability Too.

In order to be considered habitable, a planet needs to have liquid water. Cells, the smallest unit of life, need…

2 months ago

A Red Dwarf Star Has a Jupiter-Like Planet. So Massive it Shouldn’t Exist, and Yet, There It Is

Thanks to the Kepler mission and other efforts to find exoplanets, we've learned a lot about the exoplanet population. We…

3 months ago