‘Outbursts’ from Comet Leonard spotted by NASA satellite (video)

NASA’s STEREO-A satellite caught this view of Comet Leonard as it continued to streak into the inner solar system last week. STEREO-A captured the warming comet as it cast off a gassy shroud and spiked in brightness. Named for Gregory Leonard, an astronomer at the University of Arizona’s Lunar and Planetary Laboratory who discovered the … Read more

How do stars form? Stellar outbursts may help explain how sun-like stars develop

Computer modelling supports the idea that nascent stars brighten dramatically during growth spurts, which could explain an astrophysical mystery Space 2 December 2021 By Will Gater Newborn stars appear as pink and red specks in the centre of this image from NASA’s Spitzer Space Telescope NASA/JPL-Caltech/P.S. Teixeira (Center for Astrophysics) Powerful outbursts of energy from … Read more