NASA’s Solar Dynamics Observatory (SDO) has detected a colossal coronal hole on the Sun’s surface, stretching an estimated 500,000 miles across—a size equivalent to 62 Earths lined up side by side.
NASA's Magnetospheric Multiscale satellites observed these waves in ... that reveal how the planet's magnetic shield reacts to solar wind. This project could improve predictions of geoma ...
Jupiter’s Galilean satellites, so named because Galileo Galilei discovered them in 1610, exhibit great diversity from each other. All four can be easily seen in a small telescope or binoculars. Io, is ...
For example, satellite operators lost multiple spacecraft in recent months after they were knocked out of low-Earth orbit by unforeseen fluctuations in Earth's atmosphere caused by solar storms.
A new measurement confirms what previous -- and highly debated -- results had shown: ... NASA's Hubble Traces Hidden History of Andromeda Galaxy Jan. 17, 2025 — In the years following the launch ...