Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Earth's Moon: NASA's Galileo spacecraft took this image of Earth's Moon on Dec. 7, 1992, on its way to explore the Jupiter system in 1995-97. The Moon is Earth's only natural satellite.
The final image reveals approximately 200 million stars and extends six times the apparent diameter of the full Moon ... limit. Hubble can only detect stars that are brighter than our Sun, and ...
As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...
Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...
LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and has nine rings — six more than any other known galaxy. | Credit: NASA, ESA, Imad Pasha (Yale), Pieter ...
From vivid nebulae to a comprehensive view of our evolving universe, check out these 7 amazing deep-field images captured by ...