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Frequently Asked Questions in Cosmology on Sat Aug 29, 2009 1:42 pm
http://www.astro.ucla.edu/~wright/cosmology_faq.html#bestfit
What is the currently most accepted model for the Universe?
What is the evidence for the Big Bang?
What happened during the Big Bang?
What is this "anti-gravity"? [The cosmological constant]
Why do we think that the expansion of the Universe is accelerating?
What is quintessence?
How old is the Universe?
If the Universe is only 14 billion years old, why isn't the most distant object we can see 7 billion light years away?
If the Universe is only 14 billion years old, how can we see objects that are now 47 billion light years away?
Is the Universe really infinite or just really big?
How can the Universe be infinite if it was all concentrated into a point at the Big Bang?
How can the oldest stars in the Universe be older than the Universe?
Can objects move away from us faster than the speed of light?
What is the redshift?
Are quasars really at the large distances indicated by their redshifts?
What about objects with discordant redshifts, like Stephan's Quintet?
Has the time dilation of distant source light curves predicted by the Big Bang been observed?
Are galaxies really moving away from us or is space just expanding?
Why doesn't the Solar System expand if the whole Universe is expanding?
Is the Universe expanding or is it just that our definitions of length and time are changing?
Why haven't the CMBR photons outrun the galaxies in the Big Bang?
Where was the center of the Big Bang?
What is meant by a flat Universe?
Is the Big Bang a Black Hole?
What is the Universe expanding into?
What came before the Big Bang?
Doug Scott's Cosmic Microwave Background Radiation (CMBR) FAQ
Can the CMBR be redshifted starlight?
Why is the sky dark at night?
Will the Universe expand forever or recollapse?
Does entropy prevent a Big Crunch?
What about the oscillating Universe?
What is the dark matter?
What about MOND?
What is the value of the Hubble constant?
What can a layperson do in cosmology?
When will the next WMAP data release occur?
Ask your own question!
What is the currently most accepted model for the Universe?
What is the evidence for the Big Bang?
What happened during the Big Bang?
What is this "anti-gravity"? [The cosmological constant]
Why do we think that the expansion of the Universe is accelerating?
What is quintessence?
How old is the Universe?
If the Universe is only 14 billion years old, why isn't the most distant object we can see 7 billion light years away?
If the Universe is only 14 billion years old, how can we see objects that are now 47 billion light years away?
Is the Universe really infinite or just really big?
How can the Universe be infinite if it was all concentrated into a point at the Big Bang?
How can the oldest stars in the Universe be older than the Universe?
Can objects move away from us faster than the speed of light?
What is the redshift?
Are quasars really at the large distances indicated by their redshifts?
What about objects with discordant redshifts, like Stephan's Quintet?
Has the time dilation of distant source light curves predicted by the Big Bang been observed?
Are galaxies really moving away from us or is space just expanding?
Why doesn't the Solar System expand if the whole Universe is expanding?
Is the Universe expanding or is it just that our definitions of length and time are changing?
Why haven't the CMBR photons outrun the galaxies in the Big Bang?
Where was the center of the Big Bang?
What is meant by a flat Universe?
Is the Big Bang a Black Hole?
What is the Universe expanding into?
What came before the Big Bang?
Doug Scott's Cosmic Microwave Background Radiation (CMBR) FAQ
Can the CMBR be redshifted starlight?
Why is the sky dark at night?
Will the Universe expand forever or recollapse?
Does entropy prevent a Big Crunch?
What about the oscillating Universe?
What is the dark matter?
What about MOND?
What is the value of the Hubble constant?
What can a layperson do in cosmology?
When will the next WMAP data release occur?
Ask your own question!