ecliptic orbit
41Ulysses (spacecraft) — Infobox Spacecraft Name = Ulysses Caption = Ulysses spacecraft Organization = NASA/ESA Major Contractors = Mission Type = Orbiter Flyby Of = Jupiter Satellite Of = The Sun Launch = 6 October 1990 Launch Vehicle = OV|103, STS 41 Decay = Mission… …
42Kuiper belt — Known objects in the Kuiper belt, derived from data from the Minor Planet Center. Obje …
43Year — A year (from Old English gēar) is the orbital period of the Earth moving around the Sun. For an observer on Earth, this corresponds to the period it takes the Sun to complete one course throughout the zodiac along the ecliptic. In astronomy, the… …
44Inclination — in general is the angle between a reference plane and another plane or axis of direction. The axial tilt is expressed as the angle made by the planet s axis and a line drawn through the planet s center perpendicular to the orbital plane. Orbits… …
45Eclipse cycle — Animated graph of a the paths of totality of a solar eclipse cycle. Eclipses may occur repeatedly, separated by certain intervals of time: these intervals are called eclipse cycles.[1] The series of eclipses separated by a repeat of one of these… …
46Eris (dwarf planet) — Eris   Eris (centre) and Dysnomia (left of centre). Hubble Space Telescope …
47Aberration of light — Light from location 1 will appear to be coming from location 2 for a moving telescope due to the finite speed of light, a phenomenon known as the aberration of light. The aberration of light (also referred to as astronomical aberration or stellar …
48Lunar node — Dragon s Tail redirects here. For the Dragon s Tail stretch of road in North Carolina, see Deals Gap, North Carolina. The lunar nodes are the points where the moon s path in the sky crosses the ecliptic, the sun s path in the sky The lunar nodes… …
49Lunar standstill — At a major lunar standstill, which takes place every 18.6 years, the range of the declination of the Moon reaches a maximum. As a result, at high latitudes, the Moon appears to move in just two weeks from high in the sky to low on the horizon.… …
50Universe — • Presents a history of astronomy Catholic Encyclopedia. Kevin Knight. 2006. Universe Systems of the Universe † …
