How hot was the cosmic microwave background? Do gravitational waves travel at the speed of light? How do we understand cosmological redshift?
Tag Archives | Cosmic Microwave Background
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: http://www.astro.virginia.edu/~dmw8f/ 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 […]
Date: June 17, 2009 Title: The Big Bang! Podcaster: Josh Schroeder from Columbia Astronomy Organization: Columbia University Astronomy http://outreach.astro.columbia.edu 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 […]
Date: June 3, 2009 Title: Why We Need Neutrino Telescopes Podcaster: Steve Nerlich Links: Cheap Astronomy Description: Cheap Astronomy says ‘yes we can’ to all those skeptics who doubt the universe’s one second old baby photo can ever be observed directly. Bio: Explore the universe on a shoestring. Cheap Astronomy offers an educational website where […]
Date: April 2, 2009 Title: Searching for Distant Hydrogen from the Australian Outback Podcaster: Nicole Gugliucci Organization: PAPER (somewhat technical website): http://astro.berkeley.edu/~dbacker/eor One Astronomer’s Noise (Nicole’s blog): http://gugnico.blogspot.com Description: Astronomers are looking back to the earliest epoch of star and galaxy formation in our universe by mapping distant hydrogen gas. As the first stars and […]
Date: February 28, 2009 Title: Edgar Allan Poe and the Riddle of Darkness at Night Podcaster: Paul Halpern Links: Paul Halpern’s website: http://phalpern.com Description: The night sky is a dark canopy speckled with stars. Yet, as German astronomer Wilhelm Olbers pointed out in the 1820s, if the universe were spatially infinite and you looked in any direction you […]