NASA wants to probe Uranus and could start planning next year
网页2022年8月24日 · According to this year's decadal survey by the National Academies of Sciences, Engineering, and Medicine, a flagship orbiter and probe mission to Uranus should be NASA's main planetary science ...
Three new moons discovered orbiting Uranus and Neptune | CNN
网页2024年2月28日 · Astronomers have discovered a new moon orbiting Uranus — the first spotted in nearly 20 years — and two new moons around Neptune.
Exploration of Uranus - Wikipedia
网页Uranus is the third-largest and fourth most massive planet in the Solar System. It orbits the Sun at a distance of about 2.8 billion kilometers (1.7 billion miles) and completes one orbit every 84 years. The length of a day on Uranus as measured by Voyager 2 is 17 hours and 14 minutes. Uranus is distinguished by the fact that it is tipped on ...
Astronomers discover 3 tiny moons orbiting Uranus and Neptune
网页2024年3月1日 · Astronomers with the International Astronomical Union have discovered three previously unknown moons at the farthest planets of our solar system — two circling Neptune and one around Uranus.
Uranus up close: What NASA 'ice giant' mission would teach us
网页2023年2月17日 · A proposed NASA mission to Uranus would shed light on the mysterious ice giant as well as a type of exoplanet that's among the most common in the universe.
Uranus by 2049: Here's why scientists want NASA to send a …
网页2022年4月21日 · The Uranus Orbiter and Probe mission will cost in the region of $4.2 billion, according to initial evaluations. Some scientists thought that a more affordable concept costing under $900 million...
Astronomers discover new moons orbiting Uranus and Neptune
网页2024年2月26日 · A team of international researchers spotted an additional moon circling Uranus’ for the first time in almost two decades and two new moons orbiting the planet Neptune.
Uranus Facts - Science@NASA
网页Uranus is a very cold and windy world. The ice giant is surrounded by 13 faint rings and 28 small moons. Uranus rotates at a nearly 90-degree angle from the plane of its orbit. This unique tilt makes Uranus appear to spin sideways, orbiting the Sun like a rolling ball.
Astronomers Find New Moons of Uranus and Neptune
网页2024年2月29日 · The one orbiting Uranus, provisionally designated S/2023 U1, is the first new moon discovered orbiting the ice giant in more than 20 years. At only 8 kilometers (5 miles) across, it is probably the planet's smallest known moon. It has an orbit of 680 days.
NASA’s Hubble Discovers New Rings and Moons Around Uranus - Science@NASA
网页2023年4月17日 · NASA's Hubble Space Telescope photographed a new pair of rings around Uranus and two new, small moons orbiting the planet. The largest ring is twice the diameter of the planet's previously known rings.