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- Pluto was discovered in 1930 by Clyde W. Tombaugh, making it by far the first known object in the Kuiper belt.
en.wikipedia.org/wiki/Pluto
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5 days ago · At a distance of 163.3 AU (24.4 billion km; 15.2 billion mi) from Earth as of July 2024, it is the most distant human-made object from Earth. The probe made flybys of Jupiter , Saturn , and Saturn's largest moon , Titan .
2 days ago · The word meant a lot to people then, however, because the soil was a means for survival. It meant life and food, and was the place they typically returned to after death as well. When it came to the Romans, the word “terra” meant “earth” or “ground” and was not nearly so mysterious as the names they gave the planets they glimpsed ...
3 days ago · The name 'Pluto' was mythologically appropriate: the god Pluto was one of six surviving children of Saturn, and the others had already all been chosen as names of major or minor planets (his brothers Jupiter and Neptune, and his sisters Ceres, Juno and Vesta).
2 days ago · Here’s how it works . Three astronomers last week proposed expanding the official definition of a planet to encompass worlds orbiting stars other than our own, a nuance not currently included in ...
3 days ago · Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with about 210 known planetary satellites; many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.
- The solar system comprises 8 planets, approximately 170 natural planetary satellites (moons), and countless asteroids, meteorites, and comets.
- There are eight planets in the solar system. The four inner terrestrial planets are Mercury, Venus, Earth, and Mars, all of which consist mainly of...
- The solar system is situated within the Orion-Cygnus Arm of the Milky Way Galaxy. Alpha Centauri, made up of the stars Proxima Centauri, Alpha Cent...
- Scientists have multiple theories that explain how the solar system formed. The favoured theory proposes that the solar system formed from a solar...
- Europa and Enceladus, moons of Jupiter and Saturn respectively, are ice-covered rocky objects that scientists think may harbour life in the water b...
2 days ago · John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was an American Marine Corps aviator, astronaut, businessman, and politician. He was the third American in space, and the first American to orbit the Earth, circling it three times in 1962. [3]
4 days ago · Solar system - Planets, Moons, Orbits: The eight planets can be divided into two distinct categories on the basis of their densities (mass per unit volume). The four inner, or terrestrial, planets—Mercury, Venus, Earth, and Mars—have rocky compositions and densities greater than 3 grams per cubic cm. (Water has a density of 1 gram per cubic ...
