Exoplanets | Universe Today

Exoplanets

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…

1 week 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 weeks ago

Water Discovered in the Atmosphere of an Exoplanet in the Habitable zone. It Might Be Rain

Astronomers using the Hubble space telescope have discovered water in the atmosphere of an exoplanet in its star's habitable zone.…

1 month ago

One Year, Almost 1,000 Planetary Candidates. An Update On TESS

NASA’s Transiting Exoplanet Survey Telescope launched back in April, 2018. After a few months of testing, it was ready to…

3 months ago

Snowball Exoplanets Might Be Better for Life Than We Thought

When astronomers discover a new exoplanet, one of the first considerations is if the planet is in the habitable zone,…

3 months ago

NASA Promised More Smaller, Earth-size Exoplanets. TESS is Delivering.

When NASA launched TESS (Transiting Exoplanet Survey Satellite) in 2018, it had a specific goal. While its predecessor, the Kepler…

3 months ago

Here’s a First. Astronomers See a Moon Forming Around a Baby Exoplanet

Astronomers have discovered, for the first time, moons forming in the disk of debris around a large exoplanet. Astronomers have…

3 months ago

Competition Will Let You Name an Exoplanet

When it comes to naming all those exoplanets that astronomers keep finding, it's up to the International Astronomical Union (IAU)…

4 months ago

In Order to Reveal Planets Around Another star, a Starshade Needs to Fly 40,000 km Away from a Telescope, Aligned Within Only 1 Meter

If NASA sends a Starshade into space, it will need to perform some very accurate formation flying with the space…

4 months ago

New Instrument is Searching for Planets Around Alpha Centauri

Alpha Centauri is the closest star system to us, at 4.37 light-years (about 25 trillion miles) away. In 2016, astronomers…

4 months ago