Examines the physical characteristics and conditions of Uranus, Neptune, and Pluto, describing their positions in relation to the sun and other planets and surveying humanity's attempts to penetrate their mysteries.
Examines the physical characteristics and conditions of Uranus, Neptune, and Pluto, describing their positions in relation to the sun and other planets and surveying humanity's attempts to penetrate their mysteries.
Describes the interiors, surfaces, rings, and moons of Uranus and Neptune; the discovery of Pluto and the Kuiper belt; what is known about Pluto's interior and surface; and also discusses Charon and the Oort cloud.
Unlike all the planets closer to the Sun, known since antiquity, the farthest reaches are the discoveries of the modern world. Uranus was discovered in 1781, Neptune in 1846, Pluto in 1930, the Kuiper belt group of objects in 1992, and though the Oort cloud has been theorized si…
"The most distant planets in our solar system, Uranus and Neptune were unknown by the ancients - Uranus was discovered in the 1780s and Neptune only in the 1840s. Our discovery and observation of both planets has been hampered by their sheer distance from Earth: there has only b…
A comprehensive, accessible, and stunningly illustrated introduction to these far-off worlds. The most distant planets in our solar system, Uranus and Neptune were unknown by the ancients—Uranus was discovered in the 1780s and Neptune only in the 1840s. Our discovery and observa…