equator geophysical observatory
61Solar wind — For other uses, see Solar wind (disambiguation). The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of …
62History of Antarctica — The history of Antarctica emerges from early Western theories of a vast continent, known as Terra Australis, believed to exist in the far south of the globe. The rounding of the Cape of Good Hope and Cape Horn in the 15th and 16th centuries… …
63Twilight — For other uses, see Twilight (disambiguation). Twilight at Riga Bridge …
64Miranda (moon) — For other uses, see Miranda (disambiguation). Miranda Discovery Discovered by Gerard P. Kuiper Discovery date February 16, 1948 …
65Syrtis Major — MarsGeo Mount name=Syrtis Major caption=Mars digital image mosaic merged with color of the MC 13 quadrangle, Syrtis Major region of Mars. location= latitude=8.4 N or S=N longitude=69.5 E or W=E peak= discoverer= eponym=Syrtis Major Planum is a… …
66Moons of Uranus — Uranus and its six largest moons compared at their proper relative sizes and relative positions. From left to right: Puck, Miranda, Ariel, Umbriel, Titania and Oberon Uranus, the seventh planet of the Solar System, has 27 known moons …
67Erg (landform) — For other uses, see Erg (disambiguation). Issaouane Erg, Algeria. (31°11 …
68Cluster (spacecraft) — Cluster Operator European Space Agency in international collaboration with NASA Major contractors Dornier GmbH (now part of EADS) Mission type Orbiter Satellite of Earth …
69Syrtis Major Planum — Syrtis Major Mars digital image mosaic merged with color of the MC 13 quadrangle, Syrtis Major region of Mars. Coordinates …
