New three-dimensional (3D) models of objects in space have been released by NASA's Chandra X-ray Observatory. These 3D models allow people to explore—and print—examples of stars in the early and end stages of their lives. ...
Astronomy
Apr 17, 2025
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Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a quintillion (1018) times brighter than the sun. Since they were first detected in 1967 by the Vela ...
Astronomy
Apr 17, 2025
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Astronomers from Swinburne University in Australia and elsewhere have employed the Keck II telescope to investigate the globular cluster system of an ultra-diffuse galaxy designated NGC5846_UDG1. Results of the observations, ...
The detection of dark matter, the elusive type of matter predicted to make up most of the universe's mass, is a long-standing goal in the field of astrophysics. As dark matter does not emit, reflect or absorb light, it cannot ...
Our sun, like all stars, is made mostly of hydrogen and helium. They are by far the most abundant elements, formed in the early moments of the universe. But our star is also rich in other elements astronomers call metals: ...
Astronomy
Apr 17, 2025
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Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper published in the journal Icarus, two SETI Institute researchers show that this is not due to the ...
Astronomy
Apr 16, 2025
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As part of ESA/Hubble's 35th anniversary celebrations, the European Space Agency (ESA) is sharing a new image series revisiting stunning, previously released Hubble targets with the addition of the latest Hubble data and ...
Astronomy
Apr 16, 2025
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Astronomers have long been puzzled by two strange phenomena at the heart of our galaxy. First, the gas in the central molecular zone (CMZ), a dense and chaotic region near the Milky Way's core, appears to be ionized (meaning ...
Astronomy
Apr 16, 2025
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A pair of physicists at Universidad Nacional de Mar del Plata, in Argentina, have created a computer simulation of the famed Antikythera Mechanism and in so doing have found that manufacturing inaccuracies may have caused ...
Astronomers have discovered a planet that orbits at a 90-degree angle around a rare pair of strange stars—a real-life 'twist' on the fictional twin suns of Star Wars hero Luke Skywalker's home planet of Tatooine.
Astronomy
Apr 16, 2025
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