ESA’s Gaia Spacecraft Wraps Up Revolutionary Milky Way Mapping Mission
ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.
Live Science12d
'Herculean' 2.5-billion-pixel mosaic shows our closest galactic neighbor like never before — and took more than a decade to create
The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...
One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
200 Million-Star Tapestry: Hubble’s Astonishing New Portrait of Andromeda
The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...
The Star That Proved the Universe Is Bigger Than We Imagined
Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...
7 breathtaking images of Milky Way captured by NASA
This stunning image of NGC 6951 is captured by NASA's Hubble Telescope. It is a barred spiral galaxy located in the constellation Cepheus. It is located at a distance of about 75 million light-years ...
Mapping 2 billion stars: How Gaia transformed our view of the Milky Way
Gaia was launched on December 19, 2013, and began scanning the stars in July 2014. It mapped over two billion stars, ...
The Gaia satellite, a fantastic star tracker, retires
The European satellite, launched in 2013, has exhausted its gas reserves and is preparing to return to a stable orbit before being 'passivated.' But while the data collection that revolutionized ...
Smithsonian Magazine11d
Check Out the Hubble Space Telescope’s Stunning New View of the Andromeda Galaxy
The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...
USA Today12d
'Enticing empire of stars:' See Andromeda galaxy in newly released NASA images
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula ... 2.5 million light-years away from the Milky Way. The observations recorded by Hubble yield new ...
'13.8 billion years unraveled': Hubble's discovery set the stage for the biggest mystery yet
Hubble's discovery of expanding galaxies confirmed the universe's vastness, laying the foundation for the Big Bang theory and ...
It took a decade for NASA to piece together this 416,592,960 pixel image of the Andromeda galaxy and the key takeaway? 'Andromeda's a train wreck'
"It looks like it has been through some kind of event that caused it to form a lot of stars and then just shut down” ...