主题之一: 天文# E1 a% Y: i% h3 N" x
Theme One: Astronomy 9 g* n. {7 E: p( V" [; _
astronomer astronomical astronaut: e2 {# `& ]7 t/ ~) r8 K
astrology observatory telescope ; C# y- d+ |3 \
solar system cosmic rays cosmos
; U5 f, c9 f7 F$ ]" o( c6 hinterstellar intergalactic galaxy0 U7 ? `5 l+ p) \% P/ a
The Milky Way The Big Bang comet! w. F( c0 u2 s6 L% v
asteroid satellite meteor
8 x" Z/ C' N- b5 |* ~meteorite revolution rotation
8 ~. f! \5 l# x2 hradiation constellation cluster
6 ^6 v# c% k+ G; w$ `; m$ N! x" [3 Mlunar eclipse velocity/ N! b" r- K2 `
corona terrestrial planetary! \: d8 A5 {! T) |( H, B: o
exploration hypothesis assume
* ?" x# S$ F9 }& lcollision supernova nova
, F7 Z3 b+ ]% F7 v7 K4 D- J' H' @7 elight year gravitation nebula& x) i$ Z/ ~+ K% E" B/ T b2 x
1 astronomern. 天文学家6 @7 l1 e" Q+ F6 Z
During his own tenure as astronomer royal, from 1720 to 1742, Halley studiously tracked the moon.* m2 p+ [0 F/ y+ J- y# W8 f" W
2 astronomicala. 天文学的, 天文数字的, 庞大的
1 k( K* y" A6 [# x3 c! a6 _A man-made clock would certainly prove a useful accessory to astronomical reckoning but could never stand in its stead.
& ]0 ]5 ]& f! [0 N. T+ T3 astronaut n. 太空人, 宇航员, 太空旅行者
' ]9 _+ B1 ^3 s) I$ x5 s' N# @+ cIn their most visible work, astronauts will let loose a retrievable satellite carrying a coffin-sized inflatable antenna. |
发表于 2012-8-15 00:40:08
