Stellar Express: Irregular Moon Delivery
Today’s paper explores how a star flying by the early Solar System could have delivered irregular moons to the giant planets.
Today’s paper explores how a star flying by the early Solar System could have delivered irregular moons to the giant planets.
Today’s paper uses Johannes Kepler’s pre-telescope sunspot drawings to re-examine irregular 17th century solar activity.
200 million years after two galaxies began to merge and created one of the most powerful AGN outbursts ever observed, they left behind an arc of star formation resembling beads on a string.
Today’s paper uses JWST to show that there are more spiral galaxies in the early universe than we previously expected.
Maybe! Today’s paper presents seven Dyson sphere candidates, theoretical technosignatures of advanced extraterrestrial life.