Using the Magellan Telescopes in Chile, astronomers have performed photometric observations of a giant elliptical galaxy known as NGC 4696. The observations reveal that the galaxy has a complex globular cluster system. The ...
By analyzing the data from NASA's Chandra X-ray observatory, astronomers from India and South Africa have investigated a massive galaxy cluster known as Abell 2566. They detected sloshing cold fronts in the intracluster medium ...
Interactions between galaxies, including mergers and tidal interactions, have been extensively studied. It has been established that mergers between massive galaxies can alter galaxy morphologies, enhance star formation, ...
Astronomy
Jun 3, 2024
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Scientists have released the first set of scientific data captured with the Euclid telescope, showing an exciting glimpse of the universe's distant past.
Astronomy
May 23, 2024
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Almost 14 billion years ago, the universe was born in a blur of mystery. The new Simons Observatory in Chile's Atacama Desert may soon answer the great scientific question of what happened in that tiny fraction of a second ...
Astronomy
Jun 20, 2024
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This NASA/ESA Hubble Space Telescope image features the globular cluster NGC 2005. It's not an unusual globular cluster in and of itself, but it is a peculiarity when compared to its surroundings.
Astronomy
Jun 17, 2024
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Radio telescopes have an advantage over optical telescopes, in that radio telescopes can be used even in cloudy conditions here on Earth. That's because the longer wavelengths of radio waves can pass through clouds unhindered.
Astronomy
Jun 5, 2024
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This new image from the NASA/ESA Hubble Space Telescope shows the broad and sweeping spiral galaxy NGC 4731. It lies in the constellation Virgo and is located 43 million light-years from Earth. This highly detailed image ...
Astronomy
Jun 3, 2024
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A mind-boggling number of shining galaxies, a purple and orange star nursery and a spiral galaxy similar to our Milky Way: new images were revealed from Europe's Euclid space telescope on Thursday.
Astronomy
May 25, 2024
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Galaxy groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. They form the densest part of the large scale structure of the universe. In models for the gravitational formation of structure with cold dark matter, the smallest structures collapse first and eventually build the largest structures, clusters of galaxies. Clusters are then formed relatively recently between 10 billion years ago and now. Groups and clusters may contain from ten to thousands of galaxies. The clusters themselves are often associated with larger groups called superclusters.
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