... During millennium two , humanity continually redefined its concept of "Universe": first as spheres centered on the Earth , in mid-millennium as the Solar System , a few centuries ago as the Galaxy , and within the last century as the matter emanating from ...
... 2000 December 31 . The Millennium that Defined Earth . Credit: Apollo 8 Crew, NASA . ... Explanation: When the second millennium began, people generally knew that the Earth was round, but few saw much of it beyond ...
... During millennium two , humanity continually redefined its concept of "Universe": first as spheres centered on the Earth , in mid-millennium as the Solar System , a few centuries ago as the Galaxy , and within the last century as the matter emanating from ...
... 2001 January 4 . Third Millennium, First Eclipse . Credit Copyright: Fred Espenak (courtesy of www.MrEclipse.com ) . ... Explanation: The first eclipse of the third millennium is coming up! ...
... December 31, 1999 . The Millennium that Defined Earth . Credit: Apollo 8 Crew, NASA . ... Explanation: When the second millennium began , people generally knew that the Earth was round , but few saw much of it beyond ...
... 2001 January 5 . Second Millennium, Last Eclipse . Credit Copyright: Philipp Rau . ... Christmas Day 2000 featured the final eclipse of the Second Millennium -- a partial solar eclipse visible from much of North ...
... October 29, 1999 . The USNO Millennium Time Ball . Credit: United States Naval Observatory . ... of a "round-the-world time ball drop" marking the beginning of the year 2000 and the beginning of the Third Millennium in 2001 ...
... Explanation: Today, earthbound skygazers can celebrate a solstice , a new Moon , the closest approach of planet Mars since 1988 ... oh yes, and a total eclipse of the Sun, the first total solar eclipse of the third millennium. ...
... During this first total solar eclipse of the third millennium webcast sites were swamped, but sun-watchers along the eclipse path enjoyed clear weather and reported fantastic views . ...