Astronomy

Astronomy

A compact star quartet

Astronomers have discovered a quadruple star system in a hierarchical 3+1 configuration (illustration). © Arndt_Vladimir / iStock Most stars in space are...
Ashton Edwards -
Astronomy

Puzzle of spherical crystals solved

Two examples of spherulites – polycrystalline spherical structures. © Noushine Shahidzadeh/University of Amsterdam Crystals usually form angular shapes - from cubes to the jagged stars...
Ashton Edwards -
Astronomy

The physics of squeaky sneakers

Physicists have discovered why basketball shoes squeak on the gym floor. © skynesher/ iStock Why do sneakers squeak on the hall floor? Based on this...
Ashton Edwards -
Astronomy

Mapping reveals cold gases in the heart of the Milky Way

ALMA image of the molecular gas Gas in the Central Molecular Zone (CMZ) of the Milky Way. © ALMA(ESO/NAOJ/NRAO)/S. Longmore et al. Background: ESO/D....
Ashton Edwards -
Astronomy

How the “snowman” chunks were formed in the Kuiper Belt

This image from the New Horizons spacecraft shows the double chunk 486958) Arrokoth. © NASA Some comets, including the trans-Neptunian object Arrokoth, look more like...
Ashton Edwards -
Astronomy

Cosmic stroke of luck could solve expansion rate puzzles

The five bluish spots of light are the image of a superluminous supernova distorted and copied by a gravitational lens. The two yellowish spots...
Ashton Edwards -
Astronomy

How giant galaxies formed in the early cosmos

This illustration of protocluster SPT2349-56 shows interacting galaxies and gas (orange) being torn apart and heated by tidal forces. © N. Sulzenauer/ MPI for...
Ashton Edwards -
Astronomy

A quantum computer as an optimization genius

A braid of copper-colored cables surrounds an inconspicuous chip in the middle. You can see the Advantage2 quantum annealer from D-Wave. This quantum computer...
Ashton Edwards -
Astronomy

Webb Telescope provides most accurate map of dark matter

Dark matter map from the Hubble Telescope (left) and new map from the James Webb Telescope. © Gavin Leroy, Richard Massey/ COSMOS-Webb collaboration Dark matter...
Ashton Edwards -
Astronomy

Eye to eye with a crocodile

This American crocodile (Crocodylus acutus) won't harm any fly. It shows no movement whatsoever, although horseflies sit on its snout and feed on its...
Ashton Edwards -
Astronomy

A hotspot in the brain

The so-called dendritic thorns run through a mouse brain like bright, yellow lightning. They sit on the dendrites, the fine branches of nerve cells...
Ashton Edwards -
Astronomy

New vibrational states discovered in magnetic vortices

Floquet-controlled magnons: A static magnetic vortex is set in motion by time-periodic excitation, thereby generating a frequency comb. © Katrin and Helmut Schultheiss So-called Floquet...
Ashton Edwards -
Astronomy

Young chimpanzees are little daredevils

High in the canopy, a young chimpanzee hangs from a branch, its mother's hand close by, ready to intervene if something goes wrong. The...
Ashton Edwards -
Astronomy

Ice layer protected Martian lakes

Mars' Gale Crater today. There may have been a lake there in the past. © NASA/JPL-Caltech/ESA/DLR/FU Berlin/MSSS There are numerous geological traces of ancient lakes...
Ashton Edwards -
Astronomy

Two cosmic collisions around a nearby star

This artist's impression shows the collision of two planetesimals in the young, developing planetary system Fomalhaut. © Thomas Müller (HdA/MPIA) Astronomers have discovered something new...
Ashton Edwards -
Astronomy

Active galaxy nucleus spews ultrafast winds

For the first time, astronomers have observed ultrafast particle streams during the outburst of radiation from a supermassive black hole. © European Space Agency...
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Astronomy

Exoplanet WASP-121b has a double tail

This is what the hot gas giant WASP-121b could look like with its two tails. © Benoit Gouegeon/University of Montreal When extrasolar gas giants get...
Ashton Edwards -
Astronomy

How stray light from satellites threatens space exploration

Needs as clear and undisturbed a view of the cosmos as possible: NASA's Hubble Space Telescope. © dima_zel/iStock/NASA In the next decade, almost all images...
Ashton Edwards -
Astronomy

Fourth type of neutrino is becoming less likely

Interior view of the electrostatic spectrometer in the KATRIN experiment in Karlsruhe, the world's most accurate neutrino "balance". © Michael Zacher/KIT, KATRIN Collaboration Neutrinos are...
Ashton Edwards -
Astronomy

Theia and early Earth were neighbors

Collision of the protoplanet Theia with the young Earth. © MPS/Mark A. Garlick About 4.5 billion years ago, a momentous catastrophe occurred: a protoplanet called...
Ashton Edwards -
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