Stellar Winds, Magnetic Activity, and Evaporating Exoplanet Atmospheres Gerd DaniOctober 3, 2021March 28, 20260 Most stars including the Sun generate magnetic activity that drives a fast-moving, ionized wind and also produces X-ray and ultraviolet… Read More
What is the edge of the Solar System and where is it? Gerd DaniOctober 1, 2021March 28, 20260 4.6 billion years ago, the Solar System was born from the protoplanetary disk that orbited our Sun, when it was… Read More
What is an Active galactic nucleus? Gerd DaniSeptember 30, 2021March 28, 20260 Active galactic nucleus (AGN) is a compact region at the center of a galaxy that has a much-higher-than-normal luminosity over… Read More
A New Understanding of Galaxy Evolution with NASA’s Roman Space Telescope Gerd DaniSeptember 21, 2021March 28, 20260 When NASA’s Nancy Grace Roman Space Telescope launches in the mid-2020s, it will revolutionize astronomy by providing a panoramic field… Read More
The Venus unknown strangeness Gerd DaniSeptember 21, 2021March 28, 20260 In the Solar System there is a very special planet, where the day lasts more than a whole year! In… Read More
Black holes can exert negative pressure on the environment Gerd DaniSeptember 15, 2021March 28, 20260 Since the discovery of Hawking radiation, physicists have known that black holes are not a big “nothing”, or the end… Read More
Five key facts on Inspiration4 space mission Gerd DaniSeptember 15, 2021March 28, 20260 SpaceX is set to launch four people into space Wednesday on a three-day mission that is the first to orbit… Read More
“Internet Apocalypse”: Solar superstorm can wreak havoc for months! Gerd DaniSeptember 12, 2021March 28, 20260 A new study reveals that, in addition to drastically affecting traditional electrical networks and communications, a coronal mass ejection –… Read More
Types of Black holes – an overview Gerd DaniSeptember 12, 2021March 28, 20260 Black holes are defined as the astronomical bodies from which nothing not even light can escape. Concept of black hole… Read More
400 years later, Kepler’s Supernova debris continues at high speed! Gerd DaniSeptember 11, 2021March 28, 20260 416 years ago, light from the supernova SN 1604 (or Kepler’s Supernova), first observed by the celebrated astronomer Johannes Kepler,… Read More