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By Paul M. Sutter on July 12, 2018 in

Where’s the best place to live on Mercury? Where did the Big Bang start? lets find out the answer here at #365DaysOfAstro

By Paul M. Sutter on May 17, 2018 in

Why the universe expands? How can black holes form in the big bang? more with @PaulMattSutter at #365DaysOfAstro

By Paul M. Sutter on February 6, 2018 in

What did Hubble really discover? Why does redshift imply an expanding universe? Why is the night sky dark? Why is there so much hydrogen, and how is that connected to the Big Bang?

By Astronomy Cast on February 13, 2017 in

We get questions every week about string theory and topics popularized by science fiction. Here’s the problem. There’s just no evidence.

By Duane Lee on September 28, 2009 in

Date: September 28, 2009 Title: The Connection Between Metal Abundances and the Evolution of Galaxies Podcaster: Duane Lee from Columbia Astronomy Organization: Columbia University Astronomy Description: Metals in astronomy refer to any element heavier than Helium on the periodic table. The abundance of metals, with the exception of a few, tells us the processing […]

By Richard B. Drumm on June 27, 2009 in

Date: June 27, 2009 Title: Cries From the Infant Universe Podcaster: Richard Drumm Links: For more information on this topic link to Dr. Whittle’s home page at UVa: From here you can link to The Teaching Company site where you can order the 6 DVD set titled “Cosmology: The History and Nature of Our […]

By Josh Schroeder on June 17, 2009 in

Date: June 17, 2009 Title: The Big Bang! Podcaster: Josh Schroeder from Columbia Astronomy Organization: Columbia University Astronomy Description: The universe used to be a very different place, billions of years ago. The temperature and density was so high that galaxies, stars, planets, and even atoms could not exist. Luckily, for us, the universe […]

By Nik Whitehead on May 18, 2009 in

Date: May 18, 2009 Title: The Life of a Proton Podcaster: Nik Whitehead Description: The universe around us is made up of many different types of atoms, yet only two types, hydrogen and helium, were created in the Big Bang. Other elements have been formed by a wide variety of fascinating astrophysical processes since then. […]