galactic latitude
71sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …
72Milankovitch cycles — Past and future Milankovitch cycles. VSOP allows prediction of past and future orbital parameters with great accuracy. ε is obliquity (axial tilt). e is eccentricity. ϖ is longitude of perihelion. esin(ϖ) is the precession index, which together… …
73Solaire — Soleil Pour les articles homonymes, voir soleil (homonymie). Soleil …
74Prime Meridian — 0° Prime Meridian …
75Messier marathon — A Messier marathon is an attempt, usually organized by amateur astronomers, to find as many Messier objects as possible during one night. The Messier catalogue was compiled by French astronomer Charles Messier during the late 18th century and… …
76Anders Celsius — Infobox Scientist name = Anders Celsius image width = 300px caption = Anders Celsius. Portrait by Olof Arenius birth date = birth date|1701|11|27|mf=y birth place = Uppsala, Sweden death date = death date and age|1744|04|25|1701|11|27|mf=y death… …
77Harlan Ellison — (1986) Born Harlan Jay Ellison May 27, 1934 (1934 05 27) (age 77) Cleveland, Ohio …
78Daylight saving time — This article is about daylight saving time in general. For DST in a specific location, see Daylight saving time by country. Summer time and DST redirect here. For other uses, see Summer time (disambiguation) and DST (disambiguation) …
79OTELO — (OSIRIS Tunable Emission Line Object survey) is an emission line object survey using OSIRIS tunable filters in selected atmospheric windows relatively free of sky emission lines. The total survey sky area is of 1 square degree (0.30 msr)… …
80Heliospheric current sheet — The heliospheric current sheet (HCS) is the surface within the Solar System where the polarity of the Sun s magnetic field changes from north to south. This field extends throughout the Sun s equatorial plane in the heliosphere. [ [http://science …
