Gaia

“Ain’t like Dusting Crops!” How We’ll Actually Navigate Interstellar Space

May the 4th be With You! Blasting out of Mos Eisley Space Port, the Millennium Falcon carries our adventurers off…

1 month ago

New All-Sky Map of the Milky Way’s Galactic Halo

The outer reaches of the Milky Way galaxy are a different place.  Stars are much harder to come by, with…

1 month ago

Our Part of the Galaxy is Packed with Binary Stars

Binary star systems are everywhere. They make up a huge percentage of all known solar systems: from what we can…

4 months ago

The Solar System Might Not Exist if There Wasn’t a Huge Galactic Collision with the Milky Way Billions of Years Ago

The Milky Way has a number of satellite galaxies; nearly 60 of them, depedending on how we define them. One…

1 year 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…

2 years ago

This Star has been Kicked Out of the Milky Way. It Knows What It Did.

Every once in a while, the Milky Way ejects a star. The evicted star is typically ejected from the chaotic…

2 years ago

Thanks to Gaia, We Now Know Exactly When We’ll be Colliding with Andromeda

Astronomers have known for some time that the Milky Way and the Andromeda galaxies will collide on some future date.…

2 years ago

Gaia Spots an Enormous Ghost Galaxy Right Next Door that’s Being Dismantled by the Milky Way

Astronomers combing through data from the ESA's Gaia spacecraft have discovered what they're calling a ghost galaxy. The galaxy, named…

3 years ago

The Milky Way is Still Rippling from a Galactic Collision Millions of Years Ago

Between 300 million and 900 million years ago, our Milky Way galaxy nearly collided with the Sagittarius dwarf galaxy. Data…

3 years ago

How Fast is the Universe Expanding? Hubble and Gaia Team Up to Conduct the Most Accurate Measurements to Date

A new study used data from both Hubble and Gaia in order to obtain the most precise measurements of cosmic…

3 years ago