the ascending node
61Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
62March 2016 lunar eclipse — A penumbral lunar eclipse will take place on March 23, 2016, the first of three lunar eclipses in 2016. Contents 1 Visibility …
63Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
64Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …
65Orbital period — For the music album, see Orbital Period (album). The orbital period is the time taken for a given object to make one complete orbit about another object. When mentioned without further qualification in astronomy this refers to the sidereal period …
66Ceres (dwarf planet) — For other uses of the name Ceres , see Ceres. Ceres   Ceres as seen by Hubble Space Telescope (ACS). The …
67Kepler orbit — Gravitational attraction is the force that makes the Solar system stick together with the planets orbiting the Sun and the Moon orbiting the Earth. Isaac Newton formulated the physical law for this gravitational attraction which explained Kepler… …
68comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… …
69October 1995 lunar eclipse — A penumbral lunar eclipse took place on October 8, 1995. Contents 1 Visibility …
709 Metis — For the moon of Jupiter, see Metis (moon). 9 Metis   Discovery Discovered by A. Graham Discovery date 25 April 1848 …
