单词:Hubble-Sandage variable stars
单词:Hubble-Sandage variable stars 相关文章
ANNOUNCER: EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Today, Richard Rael and Tony Riggs tell the story of American astronomer Edwin Hubble. He changed our ideas about the universe and how it developed. Edwin Hubbl
EXPLORATIONS - Edwin Hubble Changed Our Ideas About the Universe and Its Birth EXPLORATIONS -- a program in Special English by the Voice of America. Today, Richard Rael and Tony Riggs tell the story of American astronomer Edwin Hubble. He changed our
By Marilyn Christiano Broadcast: December 23, 2003 (THEME) ANNOUNCER: EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Today, Richard Rael and Tony Riggs tell the story of
EXPLORATIONS -May 8, 2002: Hubble's New Camera By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Last week, the
Mother of Hubble Always Aimed for Stars Back in the 1950s few women in the United States worked outside of the home, and even fewer earned doctorate degrees or went on to have professional careers. However, as the first chief of astronomy at the U.S.