The European Southern Observatory's Extremely Large Telescope (ESO's ELT) is a revolutionary ground-based telescope that will have a 39-meter main mirror and will be the largest telescope in the world for visible and infrared ...
Astronomy
Jul 13, 2023
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Launched on July 1, 2023, the European Euclid mission will observe billions of galaxies over one-third of the sky to create a map of the Universe. But Euclid's map will be in black and white; telescopes in Hawai'i, including ...
Space Exploration
Jul 3, 2023
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No, you're not seeing double: This photo shows two images of a Jupiter-like planet that orbits the star AF Leporis. The planet has been imaged by two independent groups of astronomers using the SPHERE instrument on ESO's ...
Astronomy
Feb 22, 2023
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On the largest scales, the universe is ordered into a web-like pattern: galaxies are pulled together into clusters, which are connected by filaments and separated by voids. These clusters and filaments contain dark matter, ...
Astronomy
Feb 20, 2023
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Galaxies are often surrounded by a halo of hydrogen gas. Over time a galaxy can lose this halo, which streams off into the intergalactic medium. As a result, there can be clouds of hydrogen among the clusters of galaxies ...
Astronomy
Jan 13, 2023
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In 1919 astronomers Arthur Eddington and Andrew Crommelin captured photographic images of a total solar eclipse. The sun was in the constellation Taurus at the time, and a handful of its stars could be seen in the photographs. ...
Astronomy
Sep 15, 2022
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Astronomers have discovered thousands of exoplanets in recent years. Most have them have been discovered by the transit method, where an optical telescope measures the brightness of a star over time. If the star dips very ...
Astronomy
Aug 17, 2022
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From afar, the Sun appears blank and featureless in visible light. But through a solar telescope in different wavelength, it is revealed to be much, much more.
Astronomy
Jun 16, 2022
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153
If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make themselves easy to spot by building a fire or writing HELP in big letters. For scientists interested in the ...
Space Exploration
Apr 29, 2022
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This finely detailed image shows the heart of NGC 1097, a barred spiral galaxy that lies about 48 million light-years from Earth in the constellation Fornax. This picture reveals the intricacy of the web of stars and dust ...
Astronomy
Mar 22, 2022
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