Astronomy

cosmic collision

Neighboring colossus: With a diameter of almost 200,000 light-years and around 1.6 trillion solar masses, the Andromeda galaxy is larger and heavier than the...

Ashton Edwards - June 16, 2023 0

Astronomy

Stellar giants in sight

In the universe far larger stars shine than our sun. © Nazarii Neshcherenskyi/iStock They have enormous proportions – and their importance is also huge: In...

Ashton Edwards - June 4, 2023 0

Astronomy

Why metal-poor stars favor life

Although metal-poor stars irradiate their planets with more UV light than metal-rich ones, the ratio of ozone-forming UV-C to ozone-depleting UV-B radiation allows a...

Ashton Edwards - May 31, 2023 0

Astronomy

Portrait of an outsider

Arrokoth's uniform color and composition suggests the planetoid formed from a small, homogeneous cloud of gas and dust in the primordial Solar Nebula, rather...

Ashton Edwards - May 23, 2023 0

Astronomy

New look at the core of Mars

Seismic waves traversing the core of Mars have provided new insights into its features. © NASA/JPL; Nicholas Schmerr ...

Ashton Edwards - May 19, 2023 0

Astronomy

Mystery of the solar cycle solved

Variable sun: images of the European space telescope SOHO in the extreme ultraviolet range over two activity cycles. © ESA, NASA ...

Ashton Edwards - May 15, 2023 0

Astronomy

Asteroid Phaeton does not have a dust tail

Asteroid (3200) Phaeton near the sun (illustration). © NASA/JPL-Caltech/IPAC Unlike most meteor showers, the Geminids are not caused by a comet, but by the asteroid...

Ashton Edwards - May 11, 2023 0

Astronomy

Stellar dancing couple with a dark future

Artist's impression of the binary star system SSN 7: The smaller and hotter star with 32 solar masses (left) loses material to its 55...

Ashton Edwards - May 3, 2023 0

Astronomy

Galactic giants of the early cosmos

Six early galaxies imaged by the James Webb Space Telescope. © NASA/ESA/CSA, I Labbe (Swinburne University of Technology); Image processing: G. Brammer...

Ashton Edwards - April 25, 2023 0

Astronomy

A young star at the black hole

Jungstern X3a and its surroundings. © Florian Peißker Extreme conditions prevail around the black hole at the center of the Milky Way – enormous tidal...

Ashton Edwards - April 17, 2023 0

Astronomy

Who owns space?

Flags symbolize a claim to ownership. But that's not legal outside of Earth – at least according to the existing space treaties. ...

Ashton Edwards - April 13, 2023 0

Astronomy

Protostar connects solar system water and interstellar medium

Planet-forming disk around protostar V883 Orionis and water molecules partially composed of deuterium (illustration). ©ESO/L. Calçada ...

Ashton Edwards - April 5, 2023 0

Astronomy

The Underworld of the Red Planet

She senses the inner values of another world: InSight landed on November 26, 2018 in the Martian plane Elysium Planitia. Since then, the...

Ashton Edwards - April 1, 2023 0

Astronomy

The End of Hell

A close pair: The already cooled moon above the still hellish volcanic lava shaped Earth. Because the two celestial bodies used to orbit...

Ashton Edwards - March 28, 2023 0

Astronomy

Our cosmic bubble

Star-forming region N44 in the Large Magellanic Cloud, about 170,000 light-years away: The oval bubble several hundred light-years across on the right, which was...

Ashton Edwards - March 24, 2023 0

Astronomy

What was before the Big Bang?

What formed the beginning of all being - or did it exist at all? Artist's rendering of the Big Bang. ...

Ashton Edwards - March 12, 2023 0

Astronomy

Jupiter’s violent youth

Jupiter's north: The color-enhanced image was taken by Juno on April 1, 2018, about 12,300 kilometers above the clouds. © NASA/JPL-Caltech/SwRI/MSSS, Kevin M. Gil ...

Ashton Edwards - March 4, 2023 0

Astronomy

Fewer and fewer stars visible in the sky

Ashton Edwards - February 28, 2023 0

Astronomy

UV flickering heralding solar bursts of radiation

Ashton Edwards - February 24, 2023 0

Astronomy

Icy building blocks of life in a molecular cloud

Center of the Chameleon I cold molecular cloud, imaged by the James Webb Telescope. © © NASA/ESA/CSA and M. Zamani (ESA/Webb) ...

Ashton Edwards - February 20, 2023 0

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Astronomy

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