Even a galaxy containing billions of stars is mostly empty space. To quote a December 2023 Astronomy.com article, “if the Sun were a pingpong ball, then Proxima Centauri [the closest star to the ...
The first decades of the twentieth century, among the most productive in the history of astronomy ... that the Milky Way was only one star system (or galaxy) among myriad others.
Astronomy and astrophysics are the study ... high-energy neutrino of cosmic origin. Enhanced star formation rates in our galaxy during the past 2–4 Gyr is known from survey data, and ...
all with the Department of Physics and Astronomy. More information: Kristen B. W. McQuinn et al, The Ancient Star Formation History of the Extremely Low-mass Galaxy Leo P: An Emerging Trend of a ...
Venus and the brightest stars in the early evening sky. This year, I've spent most of the North American winter well below the equator in Chile and Argentina; first at an astronomy conference in ...
6 in the journal Nature Astronomy, researchers zoomed ... "When we discovered these individual stars, we were actually looking for a background galaxy that is lensing-magnified by the galaxies ...