Astronomy

How much does the Milky Way weigh?

The Milky Way and some of its globular clusters (illustration) (Image: ESA / Hubble, NASA, L. Calçada) Billions of stars and various accumulations of matter...

Are planets siblings of their stars?

Stars and planets grow together, suggesting the structure of matter around a protostar that is still growing. (Image: MPE / D. Segura-Cox) A...

News from the asteroid Bennu

False color image of asteroid Bennu. More weathered rocks appear blue, less weathered rocks red. (Image: NASA / Goddard, University of Arizona) In...

Star death at the black hole

Artist's impression of a star being torn apart by the tidal action of a supermassive black hole. (Image: ESO / M. Kornmesser) The supermassive...

Ceres: Salty water in the underground

In this representation of a region in the Occator Crater of Ceres, the salty liquids are highlighted in red, which were pushed up from...

A Milky Way analogue in the early cosmos

The light of the galaxy SPT0418-47 is distorted by the gravitational lens effect and appears as a nearly perfect ring of light. (Image:...

Dust caused Betelgeuse to darken

The strong plasma eruption (left) from Betelgeuse turned into a cloud of dust that obscured the view of the star. (Image: NASA, ESA,...

Merging creates an intermediate black hole

Simulation of the gravitational waves at GW190521. (Image: LIGO / Virgo) Astronomers have already tracked dozens of black hole mergers via gravitational waves, but...

Torn by three stars

Caption: The triple star system GW Orionis has a deformed planet-forming disc with an obliquely aligned ring. (Image: ESO / L. Calçada, Exeter...

The moon is rusting

Occurrence of hematite (red) on the lunar front (Image: Shuai Li) We know it from Mars and also from Earth: When iron comes into contact...

Astronomy also has to do with climate change

The Paranal Observatory in Chile: Climate change can affect astronomical observations. (Image: ESO / S. Brunier) You're not looking at the universe for once...

“Naked” planet discovered

Artist's impression of the planet roughly the size of Neptune in front of its central star. (Image: University of Warwick / Mark Garlick) A...

Gamma-ray burst tests quantum gravity

Artist's impression of a gamma-ray burst (Image: Superbossa.com, Alice Donini / MAGIC Collaboration) The speed of light is constant, according to Einstein's theory of relativity....

ESA probe shows the sun at close range

UV image of a miniature flare on the sun (arrow) (Image: Solar Orbiter / EUI Team / ESA & NASA; CSL, IAS, MPS, PMOD...

Gamma ray burst from the youth of the cosmos

Afterglow of the gamma ray burst GRB181123B (circle) (Image: Travis Rector / University of Alaska Anchorage), Mahdi Zamani and Davide de Martin) Gamma ray bursts...

Venus: Still hot-blooded

3D representations of two corona structures on Venus. The black line is a data gap. (Photo Laurent Montési, University of Maryland) The evidence...

An ancient stream of stars

Illustration of the phoenix star stream (Image: Geraint F. Lewis / S5 Collaboration) The fringes of the Milky Way also include numerous globular clusters -...

Lightning and ammonia hail on Jupiter

Illustration of high lightning bolts on Jupiter. (Image: NASA / JPL-Caltech / SwRI / MSSS / Gerald Eichstädt / Heidi N. Becker /...

How the hexagon of Saturn is created

Model of the deep currents on Saturn. (Image: Rakesh K. Yadav) The hexagonal flow vortex at the north pole of Saturn is one of...

Rolling moon rocks on the trail

Example of an approximately 13 meter wide trace of a rock fall on the moon. The chunk broke away from a ledge (right)...

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