Observations of black holes in the universe reveal that they exhibit a wide range of masses. However, there is a significant gap in our understanding between the lightest and heaviest black holes.
A new study led by an international team involving scientists from NCCR PlanetS, the University of Geneva and the University of Bern have demonstrated the existence of two distinguishable populations of sub-Neptunes based
Classical Cepheid variables are a special class of stars that exhibit period variation in their observed brightness. These are typically young population III stars with high masses, usually 3 – 30 solar masses.
I have been fascinated by the night sky since I ‘discovered’ Saturn with my 60mm refractor at the age of 10. An APOD-winning astrophotographer, I have been published in Sky & Telescope, Astronomy Magazine, and Space.com. As a NASA Solar System Ambassador, I have conducted thousands of public outreach programs and am a registered cruise ship speaker on astronomy and space science, as well as a Director of the Phoenix Astronomical Society. I frequently post astrophotography images, news, and tutorials on social media. My solar imaging and videos are particularly popular, and I have conducted extensive research on solar cameras and solar image processing techniques.