Astronomy

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...

Star only pulsates with half

The star HD74423 is deformed and shows brightness fluctuations on only one side. (Image: Gabriel Pérez Díaz / IAC) Astronomers know many stars that change...

First results of the Mars Insight mission

Scouts on Mars: the Nasa land probe Insight (Image: Nasa / JPL-Caltech) On November 26, 2018, the NASA Mars Probe Insight landed on the Red...

What color were dino eggs?

Bird eggs and dinosaur egg (right) (Photo: Jasmina Wiemann / Yale University) They are speckled in blue, whitish or brown - there is a well-known...

Why are ears so knobbly?

The ear structures serve to locate sound sources. (Image: Pixsooz / iStock) They are big, small, pointed, long. But all human ears have one characteristic...

Does music really help with training?

Does music have the same effect as permitted doping in sports? (Image: vgajic / iStock) Headphones are part of training for many people, like sports...

How many faces do we know?

On average, people have 5000 faces in their heads. (Image: PeopleImages / iStock) Friends, neighbors, colleagues, celebrities ... Our lives and the media are teeming...

What does weekend sleep bring?

Sufficient sleep is important - every day. (Image: andresr / iStock) Many people sleep too little on weekdays - and then catch up on...

Fascination with astronomy at experimenta

Everyone can get to the telescope here. (Source: experimenta) A very special observatory: the all-sky dome on the roof of experimenta Heilbronn offers visitors to...

On the trail of the oxygen signature

This is what an oxygen-rich exoplanet could look like. (Image: NASA / GSFC / Friedlander-Griswold) Is there any life out there? A new method could...

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