pluto
冥王星,冥界,冥王星上,冥王星的
Definitions
- 1
- : Classical Mythology. a name given to Hades, under which he is identified by the Romans with Orcus.
- : Astronomy. a dwarf planet having an equatorial diameter of about 2,100 miles, a mean distance from the sun of 3.674 billion miles, a period of revolution of 248.53 years, and one known moon, Charon. Based on the definition of a planet devised by the International Astronomical Union in 2006, Pluto, regarded as the ninth and most distant planet in our solar system since its discovery in 1930, was reclassified as a dwarf planet, a decision that continues to be examined and questioned by some astronomers.
Synonyms & Antonyms
Examples
It is about 15 percent larger than Pluto and, more significantly, it is more geologically active, with liquid water sloshing away underground.
Cridland was one of the scientists who had suggested that Jupiter formed beyond Neptune and Pluto.
Jupiter may have formed in a shadow that kept the planet’s birthplace colder than Pluto.
Consider the reaction today when a rover lands on Mars or a spacecraft whizzes past Pluto or a pair of women aboard the space station perform the first all-female spacewalk.
Pluto could be a sign that just because another world is far away from the sun doesn’t mean it’s completely dead.
Choosing to strike while the iron was hot, Future announced his followup to Pluto, Future Hendrix, right away.
That makes it appear about six times brighter than Pluto, but still far fainter than any star we can see with the unaided eye.
In particular, Pluto could be ringed: we know it has at least five moons, which, other than Charon, are tiny.
A Moon-Pluto mashup sets the tone this week, shifting focus from external issues to inner longings.
Pluto is god of the underworld whose wife Persephone sits frozen, entranced or asleep on her throne.
As the Vulture was of too large a draught to proceed higher, the troops were placed on board the steamers and Corsair.