A glittering multitude of stars in the globular cluster Terzan 4 fills this image from the NASA/ESA Hubble Space Telescope. Globular clusters are collections of stars bound together by their mutual gravitational attraction ...
Astronomy
Sep 19, 2022
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59
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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59
In a recent study submitted to Earth and Planetary Astrophysics, an international team of researchers discuss the various mission design options for reaching a hypothetical Planet 9, also known as "Planet X," which state-of-the-art ...
Space Exploration
Sep 14, 2022
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51
More than half of the thousands of satellites in orbit are now defunct, and this accumulation of floating space debris has been described as a "fatal problem" for current and future space missions and human space travel.
Space Exploration
Sep 13, 2022
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63
While astronomers have seen the debris from scores of exploded stars in the Milky Way and nearby galaxies, it is often difficult to determine the timeline of the star's demise. By studying the spectacular remains of a supernova ...
Astronomy
Sep 12, 2022
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386
The wall of dense gas and dust resembles a massive winged creature, its glowing maw lit by a bright star as it soars through cosmic filaments.
Astronomy
Sep 12, 2022
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3303
The NASA/ESA Hubble Space Telescope imaged these two overlapping spiral galaxies named SDSS J115331 and LEDA 2073461, which lie more than a billion light-years from Earth. Despite appearing to collide in this image, the alignment ...
Astronomy
Sep 12, 2022
0
93
Nature likes spirals—from the whirlpool of a hurricane, to pinwheel-shaped protoplanetary disks around newborn stars, to the vast realms of spiral galaxies across our universe.
Astronomy
Sep 8, 2022
0
181
Astronomy has a blind spot in the area of far-infrared radiation compared to most other wavelengths. A far-infrared space telescope can only utilize its full sensitivity with an actively cooled mirror at temperatures below ...
Astronomy
Sep 6, 2022
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484
Six billion years ago, two galaxies were colliding, their combined forces hurling a stream of gas hundreds of thousands of light years away. Reported this week by a team including Pitt astronomers, that unusual feature provides ...
Astronomy
Sep 3, 2022
1
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