Neptune: Size, distance from the Sun, orbit

Neptune: Size, distance from the Sun, orbit

Size: Neptune is slightly smaller than Uranus and has a diameter of 31,000 miles (50,000 kilometers), so about 4 Earths would fit across its face.Distance from the Sun: Neptune is the eighth planet from the Sun. It orbits at an average distance of 2.8 billion miles...
Juno Completes its Closest Flyby of Io Yet

Juno Completes its Closest Flyby of Io Yet

Jupiter’s ocean moons capture most of our attention because of their potential habitability. But Io, Jupiter’s bad-boy volcanic moon, is in a class of its own. There’s nothing else like it in the Solar System, and NASA’s Juno spacecraft captured new images of the...
Information session on the outcome of ESA’s 317th Council

Information session on the outcome of ESA’s 317th Council

ESA Member States met for the 317th session of the ESA Council on 18 and 19 October.Watch the replay of the information session in which ESA Director General Josef Aschbacher and ESA Council Chair Renato Krpoun share the outcome of the meeting. They give an update to...