Space Photos of the Week: 2I/Borisov and Its Comet Buddies

Space Photos of the Week: 2I/Borisov and Its Comet Buddies

The Rosetta mission, which collected this photo, discovered a lot of water on 67/P.Photograph: ESA/Rosetta/MPS for OSIRIS TeamThe European Space Agency dispatched a spacecraft called Rosetta to orbit this celestial snowball, Comet 67P/Churyumov-Gerasimenko, for many years.

Space Photos of the Week: Parker's Potential

Space Photos of the Week: Parker's Potential

Photograph: NASA GoddardThe European Space Agency’s PROBA2 satellite captured this unusually detailed photo of the corona—plasma that can be millions of degrees hotter than the star’s actual surface.Video: ESAThis sunspot, captured in ultraviolet by NASA’s Solar Dynamic Observatory in 2017, only looks small.

Large piece of Lowell Glacier quickly becomes pond of slush – Climate Change: Vital Signs of the Planet

Large piece of Lowell Glacier quickly becomes pond of slush – Climate Change: Vital Signs of the Planet

Lowell Glacier, July 22-26, 2018 NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. Geological Survey and modified Copernicus Sentinel data (2018) processed by the European Space Agency.