Feb 11
Image credit: NASA and ESA Hubble Space Telescope. Acknowledgements: Kevin Luhman (Pennsylvania State University), and Judy Schmidt, of the Chamaeleon cloud and a newly-forming star within it—HH 909A—emitting narrow streams of gas from its poles. When you think about the new stars forming in the Milky Way, you probably think of the giant star-forming regions …
Dec 13
Image credit: NASA/CXC/Amherst College/D.Haggard et al., of the galactic center in X-rays. One hundred years ago, Albert Einstein first put forth his theory of General Relativity, which laid out the relationship between spacetime and the matter and energy present within it. While it successfully recovered Newtonian gravity and predicted the additional precession of Mercury’s …
Nov 16
Images credit: NASA / Kepler Dan Fabricky (L), of a selection of the known Kepler exoplanets; Rebecca G. Martin and Mario Livio (2015) ApJ 810, 105 (R), of 287 confirmed exoplanets relative to our eight solar system planets. It was just over 20 years ago that the very first exoplanet was found and confirmed …