Astronomy

Astronomy

A super-Earth atmosphere in sight

Artist's impression of the exoplanet 55 Cancri e, which is about twice the size of Earth and orbits closely around its host star. ...
Ashton Edwards -
Astronomy

What the famous 1987A supernova left behind

The signature of ionized argon gas (right) in the 1987A supernova cloud has provided clues to the existence of a neutron star at the...
Ashton Edwards -
Astronomy

Food trail discovered on cannibalistic star

Artist's impression of the white dwarf WD 0816-310, its magnetic field and the disk made of debris from the former planetary system. ©...
Ashton Edwards -
Astronomy

Neighboring stars can blow away planet-building material

Image of the Orion Nebula and zoom on the protoplanetary disk d203-506, taken with the James Webb Space Telescope. © Background image: NASA/ESA/CSA/S....
Ashton Edwards -
Astronomy

How much oxygen is there on the ocean moon?

Charged particles from Jupiter split frozen water molecules on Europa into oxygen and hydrogen. Some O₂ could then be bound in the ice...
Ashton Edwards -
Astronomy

Not every supposed northern light is a real aurora

A normal aurora (left) consists of glowing curtains of red, green and blue. An “enhanced aurora” (right) contains a thin, brighter layer that...
Ashton Edwards -
Astronomy

CO₂ poverty could reveal the ease of living

Compared to its neighboring planets, the Earth has a low CO₂ content in the atmosphere, which is mainly due to the binding of the...
Ashton Edwards -
Astronomy

Supernovae provide new data on dark energy

The Dark Energy Survey measured the distance and redshift of almost 1,500 supernovae. This provides information about the cosmic expansion and the effect...
Ashton Edwards -
Astronomy

Supernova explosion with dense results

Artist's impression of the supernova in astronomers' sights. © ESO/L. Calcada A look at the formation of a super-compact celestial body: Astronomers have observed a...
Ashton Edwards -
Astronomy

Planet building material in the mirror of three rings

Artist's impression of the disk structure around the star HD 144432 with evidence of silicates and iron in the rings. ©Jenry ...
Ashton Edwards -
Astronomy

Astronomers find oldest black hole

Galaxy with an active black hole at the center (illustration). © Pitris/ iStock Since the James Webb Space Telescope became operational, astronomers have been able...
Ashton Edwards -
Astronomy

Water in the gas shell of a nearby planet

This is what the exoplanet GJ 9827d could look like, the smallest exoplanet to date where water vapor has been detected in the atmosphere....
Ashton Edwards -
Astronomy

Cosmic particle puzzle

There are some extremely energetic phenomena in the cosmos. But where the most energetic portion of cosmic rays comes from is still unknown....
Ashton Edwards -
Astronomy

Disk discovered around extragalactic star

Artist's impression of the young star in the Large Magellanic Cloud drawing material from a dusty disk and ejecting some of it in jets....
Ashton Edwards -
Astronomy

Amazing giant planet of a dwarf star discovered

This comparison with the Earth and the Sun illustrates the astonishing mass ratio of the newly discovered planet to its parent star. ©...
Ashton Edwards -
Astronomy

Previously hidden “naked stars” discovered

Artist's impression of the withdrawal of the hydrogen shell in a binary star system. © Navid Marvi, courtesy of the Carnegie Institution for...
Ashton Edwards -
Astronomy

Extragalactic star breeding grounds mapped

Special molecular radiation (highlighted in color) shows the regions with star-forming clouds in the Whirlpool Galaxy. © Thomas Müller (HdA/MPIA), S. Stuber et...
Ashton Edwards -
Astronomy

Liquid layer discovered on Mars core

This illustration shows the reflection of seismic waves from the newly discovered liquid layer between the Martian core and the Martian mantle. ©...
Ashton Edwards -
Astronomy

Black holes twist their jets

Detailed view of the spiral plasma structures in blazar 3C 279. © NASA/DOE/Fermi LAT Collaboration; VLBA/Jorstad et al.; RadioAstron/Fuentes et al ...
Ashton Edwards -
Astronomy

Euclid space telescope delivers first images

Detail of the Perseus galaxy cluster, taken by the Euclid Space Telescope. © ESA/Euclid/Euclid Consortium/NASA, J.-C. Cuillandre, G. Anselmi, CC-by-sa 3.0...
Ashton Edwards -
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