To celebrate 35 years of Hubble’s observations, NASA is asking telescope owners to accept its year-long stargazing challenge, observing some of the same night ... spot the Crab Nebula, which ...

In the 1920s, astronomers like Edwin Hubble noticed that the Crab Nebula was getting bigger in photos of the night sky. Hubble did the math and realized that the universe was expanding at a ...

The agency’s Hubble Night Sky Challenge ... They include M1, also known as the Crab Nebula, a supernova remnant that has provided new insight into what happens when a star dies; and C39 ...

Commonly known as the Lagoon Nebula, M8 was discovered in 1654 by the Italian astronomer Giovanni Battista Hodierna, who, like Charles Messier, sought to catalog nebulous objects in the night sky so ...