天文學 Astronomy
as·tron·o·my
--- n. pl. as·tron·o·mies (source: dictionary.com)
- The scientific study of matter in outer space, especially the positions,
dimensions, distribution, motion, composition, energy, and evolution of celestial
bodies and phenomena.
- A system of knowledge or beliefs about celestial phenomena: the various
astronomies of ancient civilizations.
--------------------------------------------------------------------------------
[Middle English astronomie, from Old French, from Latin astronomia, from Greek
astronomi : astro- (star) , astro- + -nomi, -nomy (law).] ( )bracket added by
me.
天文熱點: Hot!
火星衝地球
其他專題:
- 發現太陽系第十行星: 太陽系應是八大行星(不是九大行星!),抑或是十大行星?
- 講章:宇宙性的救恩:宇宙因你傳奇
(天文學入手) : 會介紹由太陽系一直擴展到全宇宙.
- Galaxies
(銀河系);
- Messier
Catalogue (銀河分類圖由Messier首創)
- Clickable
icon for Messier Catalogue
- Messier
objects as in Sky Atlas and Sky Catalogue 2000.0 : arranged by M(x)
numbering
- Messier
Objects in the Uranometria 2000.0 (data from Deep Sky Field Guide) : arranged
by the Nature of the galaxy/ objects.
- How
many stars in the Universe? = 10 X (grains of sand on all the world's
beaches and deserts) = 70 sextillion (= 7 followed by 22 zeros)
- 對天文有興趣的可到:每天一天文圖.