High-precision orbit and clock information is a basic requirement for precise positioning with Global Navigation Satellite Systems (GNSSs) such as the American GPS or the European Galileo. Satellite ...

The X-37B spaceplane touched down on Runway 12 at Vandenberg Space Force Base, California, at 11:22 pm local time Thursday (2 ...

The first method fuses GNSS data with inter-satellite link (ISL) range measurements to refine orbit parameters. The second uses ISL ranges as constraints, improving accuracy without increasing ...

One type of change in Earth's orbit was responsible for the end of ... "We were amazed to find such a clear imprint of the different orbital parameters on the climate record," added lead author ...

Scientists have long recognized a connection between Earth's orbit and ice ages. However, due to challenges in accurately dating climate changes that occurred so far in the past, they struggled to ...