Astronomy

“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)...

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...

Einstein is right (again)

The orbits of star S2 around the central black hole of the Milky Way resemble a rosette. (Image: ESO / L. Calçada) The general theory...

Why Uranus is twisted

Uranus is twisted in a unique way among the planets of our solar system. Uranus' moons and rings are also aligned in this way,...

Headache around the universe

Man looks in wonder and curiosity into the cosmos. (Image: solarseven / iStock) Dark energy, the big bang, the expansion of the universe ... Cosmologists...

Mercury makes its own ice cream

Mercury North Pole with yellow ice water deposits. (Image: NASA / MESSENGER) It seems almost paradoxical: of all places, there is water ice on the...

Earth and moon are not “twins”

The moon was created when the young earth collided with a protoplanet. (Image: johan63 / iStock) According to current theory, the moon is the result...

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