Astrometry

The Gaia Mission’s Science Operations are Over

The ESA has announced that Gaia's primary mission is coming to an end. The spacecraft's fuel is running low, and…

3 weeks ago

Gaia Finds Hundreds of Asteroid Moons

The amazing Gaia mission to chart stars in the Milky Way Galaxy is also an expert asteroid hunter. Now, astronomers…

6 months ago

Gaia Hit by a Micrometeoroid AND Caught in a Solar Storm

For over ten years, the ESA's Gaia Observatory has monitored the proper motion, luminosity, temperature, and composition of over a…

7 months ago

Gaia is Now Finding Planets. Could it Find Another Earth?

The ESA launched Gaia in 2013 with one overarching goal: to map more than one billion stars in the Milky…

1 year ago

Variable Stars can Tell us Where and When to Search for Extraterrestrials

A new study cross-references supernova from the Gaia observatory's third data release with possible alien transmissions.

2 years ago

A Direct Image of a Planet That’s Just Like Jupiter, Only Younger

In a recent study published in The Astrophysical Journal Letters, a team of astronomers used the W. M. Keck Observatory…

2 years ago

Astronomers Find a Sun-like Star Orbiting a Nearby Black Hole

Using data from the Gaia Observatory, a team of astronomers has detected a Sun-like star that co-orbits with a dormant…

2 years ago

Gaia Could Detect Free-Floating Black Holes Passing Near Stars in the Milky Way

The thing with black holes is they're hard to see. Typically we can only detect their presence when we can…

3 years ago

The Closeby Habitable Exoplanet Survey (CHES) Could Detect Exoplanets Within a few Dozen Light-Years of Earth Using Astrometry

A team of Chinese researchers has proposed a new mission to find Earth-like planets in neighboring star systems - the…

3 years ago

The First Rogue Black Hole has Been Discovered, and it’s Only 5,000 Light-Years Away

Microlensing strikes again.  Astronomers have been using the technique to detect everything from rogue planets to the most distant star…

3 years ago