comets frequently
41Irish Literature — • It is uncertain at what period and in what manner the Irish discovered the use of letters. It may have been through direct commerce with Gaul, but it is more probable, as McNeill has shown in his study of Irish oghams, that it was from the… …
42eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
43Extraterrestrial life — For fiction, see Extraterrestrials in fiction. For other uses, see Alien (disambiguation). A 1967 Soviet Union 16 kopeks postage stamp, depicting a satellite from an imagined extraterrestrial civilization …
44Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
45Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …
46Astronomy — (from the Greek words astron (ἄστρον), star , and nomos (νόμος), law ) is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth s atmosphere (such as the cosmic… …
47Rockabilly — Infobox Music genre name=Rockabilly bgcolor=#BB0022 color=white stylistic origins= Boogie woogie, Western Swing, Rhythm and blues, Country music cultural origins=Early Mid 1950s United States instruments=Guitar Double bass Drums Piano… …
48Nebular hypothesis — Star formation Interstellar medium Molecular cloud …
49Don Cherry — For other people named Don Cherry, see Don Cherry (disambiguation). Don Cherry Don Cherry at the 2002 Winter Olympics …
50Julio Ángel Fernández — Dr. Julio Ángel Fernández Alves (born Montevideo, 5 April 1946) is a Uruguayan astronomer and member of the department of astronomy at the Universidad de la República in Montevideo. He is also a member of PEDECIBA, (the program for development of …
