How we detect exoplanets? Gerd DaniAugust 7, 2021March 28, 20260 Exoplanets are typically close to a star and since a star is much more luminous than the planet, direct detection… Read More
How was the moon born? Gerd DaniAugust 6, 2021March 28, 20260 Probably, the Moon was born from a blow that the Earth took. More than 4 billion years ago, our planet… Read More
V404 Cygni • Huge Rings Around a Black Hole Gerd DaniAugust 5, 2021March 28, 20260 This image features a spectacular set of rings around a black hole, captured using NASA’s Chandra X-ray Observatory and Neil… Read More
Strange star is coming out of the Milky Way at enormous speed Gerd DaniAugust 5, 2021March 28, 20260 About 2,000 light-years away from Earth, there is a star catapulting itself towards the edge of the Milky Way. This… Read More
Galactic cluster magnetic field can bend black hole jets Gerd DaniAugust 4, 2021March 28, 20260 Some supermassive black holes at the centers of galaxies are active and eject relativistic jets thousands or even millions of… Read More
Strange galaxies Gerd DaniAugust 2, 2021March 28, 20260 Galaxies can take on the most disparate shapes: for example AM 0644-741 (bottom right) has the shape of a ring!… Read More
XMM-Newton • Captures the final screams of the star destroyed by the black hole Gerd DaniAugust 2, 2021March 28, 20260 In 2019, astronomers using ESA’s XMM-Newton Space Observatory studied a black hole devouring a star and discovered an exceptionally bright… Read More
The Crab nebula Gerd DaniJuly 31, 2021March 28, 20260 In 1054 AD, during the Song dynasty, Chinese astronomers spotted a bright new star in the night sky. This newcomer… Read More
Scientists observe gas recomposition in dying galaxies for the first time Gerd DaniJuly 30, 2021March 28, 20260 A new study by scientists using the Atacama Large Millimeter / submillimeter Array (ALMA) suggests that previously displaced gases can… Read More
Cygnus X-1: The black hole that started it all Gerd DaniJuly 29, 2021March 28, 20260 Cygnus X-1 was first discovered when a pair of Geiger counters were blasted high into the atmosphere aboard a sub-orbital… Read More