04/03/2024 05:30
Astronomers have discovered three new satellites, one orbiting Uranus and two orbiting Neptune. The image shows Uranus and some of its known small satellites. (Taken from the official NASA website)
◎Chen Chengliang
Astronomers have found three previously unknown moons in our solar system: two additional moons surrounding Neptune and one around Uranus. The latest count places Neptune at 16 known moons and Uranus at 28.
Astronomers have discovered 3 previously unknown moons in our solar system: 2 additional moons orbiting Neptune and 1 orbiting Uranus. The latest statistics show that Neptune has 16 known satellites and Uranus has 28.
The small, distant moons were spotted using powerful ground-based telescopes in Hawaii and Chile, and announced Friday by the International Astronomical Union’s Minor Planet Center.
The small, distant moons were discovered using powerful ground-based telescopes in Hawaii and Chile and announced Friday by the International Astronomical Union’s Minor Planet Center.
One of Neptune’s new moons has made the longest orbital journey ever known. It takes about 27 years for the small outer moon to complete one revolution around Neptune, the vast icy planet furthest from the sun, said Scott Sheppard, an astronomer at the Carnegie Institution for Science in Washington who contributed to the discovery.
One of Neptune’s new moons has made the longest orbital journey known to date. The discovery was facilitated by astronomer Scott Shepard of the Carnegie Institution for Science in Washington. He said it took the small outer satellite about 27 years to complete an orbit around Neptune, the giant icy planet furthest from the sun.
The new moon orbiting Uranus, with an estimated diameter of just 5 miles (8 kilometers), is likely the smallest of the planet’s moons.
The new moon orbiting Uranus, with an estimated diameter of just 5 miles (8 kilometers), may be the smallest of the planet’s moons.
news dictionary
counting: noun, counting, recording, scoring. Example: She kept track of her paydays in an envelope.
lap: noun, 1 lap (of a track, line, etc.). Example: I did 20 laps before leaving the pool.
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