These are the first spacecraft images yet acquired of the north pole of Ganymede, largest moon of the giant planet Jupiter. NASA's Juno spacecraft - now orbiting Jupiter - obtained them.
As darkness falls on these early August evenings, let the bright moon introduce you to bright Jupiter and golden Saturn. They've close are year and are headed for a great conjunction before 2020 ends.
It was a picture-perfect launch this morning for the Mars 2020 Perseverance rover, with good weather and no major hitches. The rover lifted off on a United Launch Alliance Atlas V rocket from Cape Canaveral Air Force Station in Florida.
The Mt. Lemmon survey discovered the asteroid on July 26. It was labeled near-Earth asteroid 2020 OY4. The asteroid then passed at about 11% of the moon's distance early in the day on July 28. The Virtual Telescope Project in Rome captured its image.
NOAA scientists forecast that this summer’s dead zone would measure roughly 6,700 square miles - bigger than the long-term average recorded since 1985, but lower than 2017’s record-high extent.