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 ...
Houston Chronicle12d
One large Milky Way galaxy or many galaxies? 100 years ago, a young 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 ... of very faint objects, and its high-quality mirror allowed it to distinguish ...
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 ...
Times Union12d
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 ...
Gaia Completes Its Stellar Odyssey, Leaving a Cosmic Legacy
The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...
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 ...
Phys.org21d
Last starlight for Gaia as it completes sky-scanning mission phase
The European Space Agency's Milky Way ... outside our Milky Way. For example, Gaia has provided pinpoint precision orbits of more than 150,000 asteroids, and has such high-quality measurements ...
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 ...