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 read by one of his ...
The first attested mention of a nebula comes from the Persian astronomer Abd al-Rahman al-Sufi, who wrote in 964 about a "little cloud" we know today as the Andromeda Galaxy. Less than a hundred ...
Bring the Moon and planets into closer view, spot stunning star clusters and observe distant galaxies and nebulas with your own eyes — you can even photograph your subject with a smart telescope.
The Andromeda nebula, M31, was a prominent example. It's visible to the naked eye from a dark site. The Andromeda galaxy, then known as the Andromeda nebula, is a bright spot in the sky that ...
NASA’s James Webb Space Telescope has captured stunning new details of the Cartwheel Galaxy, uncovering insights into star formation and its central black hole. This vibrant portrait of our Milky Way ...