Robert Lea

[ad_1] General relativity has passed one of its most precise tests ever thanks to observations of the past 11 billion years of cosmic evolution collected by the Dark Energy Spectroscopic Instrument, or DESI. Albert Einstein’s 1915 theory, general relativity, has remained humanity’s best description of gravity for the past 100 years. Cosmologists have used general relativity […]

[ad_1] Using the James Webb Space Telescope, astronomers have captured a stunning image of a distant supernova in a galaxy that looks like it’s being stretched like warm taffy. However, the golden smear hiding this gravitationally lensed supernova, which has been nicknamed “supernova Hope,” isn’t just remarkable for its aesthetic value. The supernova, which exploded

[ad_1] It is easy to imagine the moon as an atmosphere-less hunk of rock orbiting Earth. However, while lacking breathable air, our planet’s loyal natural satellite companion does have a thin and wispy atmosphere. Scientists have long puzzled over the existence of this tenuous atmosphere or “exosphere” and have searched for the main process that