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 ...
earth2d
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 ...
Hosted on MSN9d
One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge ...
Armed robbery in Revesby1d
Hubble Probes Galaxy's Nine-Ring Mystery
Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...
Gizmodo22d
Milky Way’s Black Hole Just Lit Up in a Way We’ve Never Seen Before
Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ... whether cooling, high-energy electrons are ...
Forbes9d
ESA’s Gaia Spacecraft Wraps Up Revolutionary Milky Way Mapping Mission
After 11 years in solar orbit, the European Space Agency’s Gaia spacecraft has completed its mapping of our Milky Way Galaxy to a precision ... The mission is high on the agenda in ESA's ...
SFGate12d
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Nature of the nebulae In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed ... and its high-quality mirror allowed it to distinguish ...