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 ...
Carnegie Institution for Science2d
Hubble's Famous M31 VAR! plate
Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope ... but eventually discovered that it varied in brightness like a Cepheid. The first image of H335H shows ...
NASA and ESA share a breathtaking Hubble image of the Tarantula Nebula’s outer edge
The Hubble Space Telescope is still trucking along more than 30 years after its launch, observing the universe and sending ...
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 ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...