Astronomy

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....

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 -...

Einstein confirms a pulsar with two white dwarfs

Spatial curvature in the triple system PSR J0337 + 1715 (Image: Michael Kramer / MPIfR) According to Einstein's general theory of relativity, gravitation has the...

Den Schwingungen der Sterne auf der Spur

Delta-Scuti-Stern HD 31901 (Bild: Chris Boshuizen/ University of Sydney) Auch wenn Sterne die auffälligsten und am besten beobachtbaren Objekte am Nachthimmel sind – von ihrem...

Exoplanet turns out to be a collision cloud

Artist's impression of the collision in the system of the star Fomalhaut. (Image: ESA, NASA and M. Kornmesser) It was considered to be one of...

Good choice for finding Mars life

This image of the Mars Reconnaissance Orbiter shows the former river delta in the Jezero crater. (Image: NASA / JPL-Caltech / ASU) Today it is...

Aiming at the heart of the Milky Way

Why Einstein is right: The astrophysicist Reinhard Genzel explains the Schwarzschild precession - an effect of general relativity that arises around the black hole...

How Oumuamua became an interstellar “cigar”

'Oumuamua-like object, created in a model simulation. (Image: NAOC / Y. Zhang) In autumn 2017, a cigar-shaped object flew through our solar system at high...

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