astrophysics

This ground-based image of comet C/2020 F3 (NEOWISE) was taken on July 16, 2020, from the Northern Hemisphere. The inset image, taken on August 8, 2020, by the Hubble Space Telescope, reveals a close-up of the comet after its pass by the…

Astrophysics teacher Josh Bloom lectures his class about hydrostatic equilibrium. Unlike conventional courses, many discoveries are made every year in the field of Astrophysics, so each year holds something unique for students. “When I…

Local temperature fluctuations on Earth in the 1880s (left), compared to today (right). White colors show the average temperature during the period 1951–1980, while…

Eight billion years ago — when the Universe was roughly one-third of its current age — two dwarf galaxies slammed into each other. The stars and dark matter in those galaxies managed to pass by each other without too much trouble. But…

LOUISVILLE, Ky. — A machinery monitoring technology startup backed by University of Louisville astrophysics research and founded by a UofL alumnus has been acquired. The startup, RDI Technologies, is built on a UofL…

Pluto 180° Longitude. Pluto was reclassified from a planet to a dwarf planet in 2006. Credit: NASA, ESA and M. Buie (Southwest Research Institute)A dwarf planet is a celestial body that is in orbit around the Sun and has enough mass to…

This Hubble Space Telescope image features NGC4826 — a spiral galaxy located 17 million light-years away in the constellation of Coma Berenices (Berenice’s Hair). This galaxy is often referred to as the “Black Eye,” or “Evil Eye,” galaxy…

Astronomers have used the NASA/ESA Hubble Space Telescope to take the most detailed picture to date of a large, edge-on, gas-and-dust disc encircling the 20-million-year-old star Beta Pictoris. Beta Pictoris remains the only directly…

Foresight is an incredible gift -- and it may be one of the most valuable scientific tools we have.When…

This cluster of stars is known as Messier 15, and is located some 35 000 light-years away in the constellation of Pegasus (The Winged Horse). It is one of the oldest globular clusters known, with an age of around 12 billion years.…