The Asteroid Belt: Wreckage of a Planet or Something Else? Gerd DaniJanuary 30, 2021March 28, 20260 Just outside the orbit of Mars sits our Sun’s premier collection of space rocks. The asteroid belt has captivated the… Read More
Centaur Gerd DaniJanuary 28, 2021March 28, 20260 A centaur is a small Solar System body with either a perihelion or a semi-major axis between those of the… Read More
What are Redshift and Blueshift? Gerd DaniJanuary 28, 2021March 28, 20260 Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or… Read More
Spiral Planetary Nebula Gerd DaniJanuary 27, 2021March 28, 20260 NGC 5189 (Gum 47, IC 4274, nicknamed Spiral Planetary Nebula) is a planetary nebula in the constellation Musca. It was… Read More
Immersed in more unknowns! Gerd DaniJanuary 25, 2021March 28, 20260 When one speaks about the extraterrestrial origin of life, one usually alludes to precursor molecules of what could have been… Read More
What Is a Gamma-Ray Burst? Gerd DaniJanuary 25, 2021March 28, 20260 Gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies. They are the brightest and most… Read More
Earth is alive Gerd DaniJanuary 24, 2021March 28, 20260 The Earth we inhabit is far different than the world of the past. Although the Earth appears relatively stable and… Read More
La relazione tra materia oscura, galassie e buchi neri Gerd DaniFebruary 27, 2015March 28, 20260 According to a new study recently published in The Astrophysical Journal, the invisible hand of dark matter would also affect… Read More