Its latest close approach—called perihelion by astronomers—came during ... the origin of the high-energy particles that create the solar wind—a continuous flow that permeates the entire ...

What space events are going to happen in 2025? Here's an astronomical calendar of every full moon, supermoon, meteor shower, ...

SolO's orbital radius drops to 0.284 astronomical units (AU), only about sixty solar radii, bringing it within the orbital perihelion of Mercury. One of its chief scientific objectives is ...

Parker Solar Probe. Photo Illustration/NASA During the probe's Dec. 24 close approach, known as perihelion, NASA mission control will be unable to contact Parker for some three days. If successful, ...

The Parker Solar Probe launched Aug. 12 ... During the probe's Dec. 24 close approach, known as perihelion, NASA mission control will be unable to contact Parker for some three days.

known as perihelion. This occurred in mid-June, inside the orbit of Venus. For comparison, Earth sits about 149 million km (93 million miles) on average from the Sun. Solar Orbiter/EUI Team (ESA ...

project scientist for Parker Solar Probe at NASA's Goddard Space Flight Center in Greenbelt, Maryland. The closest approach to the sun, or perihelion, will occur on Dec. 24, 2024, during which ...