标签：#satellites

At least three of the first 32 Rassvet satellites likely suffered outright failures, and more may be in trouble.

We like to think of our home as a nice, smooth sphere. But mapping the Earth’s gravitational field provides a different view of the planet.

The FCC authorized Reflect Orbital to launch the mirror satellite Eärendil-1. “For optical astronomy, this poses an existential threat,” the European Southern Observatory said.