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2008-08-28 Astronomy - vacuum energy: Hi Robert, Yes, I belive the two terminologies are identical, see http://www.astronomybuff.com/vacuum-energy-dark-energy-and-richard-dawkins/ There can be no measurements because as yet, we/they don't...
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2008-08-28 Space and Astronomy for Kids - Earth's other orbit: Hi... Wow! Lot of questions, but that's all right. Glad to try and relieve your mind about the 2012 "doomsday" nonsense. About the Milky Way alignment you mention. This "plane crossing" stuff is about...
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2008-08-25 Space and Astronomy for Kids - earth's orbit: Hello Sherry...and thanks for using AllExperts "...1) why the earth's orbit is like an ellipse why it's not a circle?..." If the Earth was a perfect sphere with its internal density evenly distributed...
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2008-08-25 Astronomy - Black holes: Hi, Yes Vicki, 1 - There is most cirtainly a supermassive blck hole at the center of the milky way, as evidenced by CHANDRA X Ray observatory. link:- New Twists on the Milky Way's Big Black Hole...
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2008-08-25 Astronomy - astronomy: John. Its the brightest star in the sky, the star Sirius. When bright stars are close to the horizon, they "twinkle" a lot with colors. This is due to the Earth's atmosphere. Hope you are drying...
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