Data collected by NASA's Juno mission indicates a briny past may be bubbling to the surface on Jupiter's largest moon.
Astronomy
Oct 31, 2023
0
164
Using the James Webb Space Telescope (JWST), astronomers have performed near-infrared observations of a dwarf galaxy known as Ark 227. The observational campaign led to the serendipitous discovery of an extended stellar halo ...
To understand the universe, we need to understand the extreme processes that shape it and drive its evolution. Things like supermassive black holes (SMBHs,) supernovae, massive reservoirs of dense gas, and crowds of stars ...
Astronomy
Oct 26, 2023
2
25
NASA's DART mission (Double Asteroid Redirection Test) slammed into asteroid Dimorphos in September 2022, changing its orbital period. Ground and space-based telescopes turned to watch the event unfold, not only to study ...
Astronomy
Oct 26, 2023
0
32
Using a network of radio telescopes on Earth and in space, astronomers have captured the most detailed view ever of a jet of plasma from a supermassive black hole. The jet travels at nearly the speed of light and shows complex, ...
Astronomy
Oct 26, 2023
0
74
Scientists have observed the creation of rare chemical elements in the second-brightest gamma-ray burst ever seen—casting new light on how heavy elements are made.
Astronomy
Oct 25, 2023
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258
NASA's Nancy Grace Roman Space Telescope will provide one of the deepest-ever views into the heart of our Milky Way galaxy. The mission will monitor hundreds of millions of stars in search of tell-tale flickers that betray ...
Astronomy
Oct 24, 2023
2
641
A new publication from Opto-Electronic Advances discusses diffraction-limited visible imaging for large aperture telescopes.
Optics & Photonics
Oct 24, 2023
1
20
Earth is our only example of a habitable planet, so it makes sense to search for Earth-size worlds when we're hunting for potentially-habitable exoplanets. When astronomers found seven of them orbiting a red dwarf star in ...
Planetary Sciences
Oct 23, 2023
0
45
Every day and night, hundreds of thousands of intense, brief flashes of radiation suddenly flicker on and then off all across the sky. These "fast radio bursts" are invisible to the naked eye, but to a radio telescope many ...
Astronomy
Oct 23, 2023
0
45
