earth23h
100 years ago: Edwin Hubble proved the Milky Way is not the only galaxy in the universe
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
earth2d
Two enormous "bubbles" discovered towering above and below our Milky Way galaxy
In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young 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 ...
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.
Space.com27d
Building blocks of life on Earth left the Milky Way before being pulled back in
The materials that make up your body are intergalactic voyagers that have existed beyond the limits of the Milky ... way around" the galaxy before coming together to make up our bodies here on Earth.
NASA’s SPHEREx Will Unveil the Hidden Spectrum of the Cosmos
SPHEREx is a groundbreaking NASA telescope that will map the entire sky in infrared, revealing insights into cosmic inflation ...
AllAfrica.com7d
South African Telescope Locates Galaxy 32 Times Bigger Than Earth
South Africa's MeerKAT telescope has identified a massive new radio galaxy, nicknamed Inkathazo, which translates to 'trouble ...
Knowridge8d
Astronomers spot a giant radio galaxy 32 times the size of the Milky Way
Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...