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A Few Easy Questions About Galaxy. Hope Someone Can Anwser.

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Posted by Tim Al on February 28, 2003 01:24:17 UTC

1, It is impossible to see beyond the cosmological particle horizon because________

2, Astronomers can only look back to when the universe was 300,000 years old and about 3000K because ___________

3, Recent evidence from distant supernovae seems to suggest a very strange phenomena, which is variously termed "the cosmological constant," "dark energy," or "quintessence." What is the observational result that inspires these speculations?

i would be very thankful to whoever can anwser these questions for me.

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