That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting was symbolic, for it was at the 33rd meeting of the AAS, a century ago on January 1, 1925 in Washington ...

Still, he believed these spiral smudges were part of it. He only needed a definitive measurement for one of those smudges in order to test the theory. When Edwin Hubble arrived at Mount Wilson ...

A century ago, the American astronomer Edwin Hubble first established that this so-called ‘spiral nebula’ was approximately 2.5 million light years away from our Milky Way Galaxy. Now, the NASA/ESA ...

In commemoration of Edwin Hubble’s discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

Definition: Hubble Space Telescope (HST) is a space telescope named after renowned astronomer Edwin Hubble. It was launched in 1990 and is one of the great observatories of NASA. Description: Hubble ...

Was it merely a nearby “spiral nebula,” a swirling cloud of gas and dust within the Milky Way? Or was it something more? The answer arrived in the early 20th century, thanks to the work of Edwin ...

The telescope's namesake, American astronomer Edwin Hubble (1889 - 1953), first discovered that this spiral nebula existed miles outside of our own Milky Way galaxy – 2.5 million light years to be ...

(THE CONVERSATION) A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper ...