For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...
Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.
Annie Jump Cannon was an astronomer, suffragist, and photographer. Nearly deaf for much of her life, Cannon is credited with the invention of the Harvard spectral classification system, which assigns ...