EPISODE · Dec 16, 2013 · 54 MIN
Some Like It Cold
from Big Picture Science · host Big Picture Science
We all may prefer the goldilocks zone – not too hot, not too cold. But most of the universe is bitterly cold. We can learn a lot about it if we’re willing to brave a temperature drop. A chilly Arctic island is the closest thing to Mars-on-Earth for scientists who want to go to the Red Planet. Meanwhile, the ice sheet at the South Pole is ideal for catching neutrinos – ghostly particles that may reveal secrets about the nature of the universe. Comet ISON is comet ice-off after its passage close to the Sun, but it’s still giving us the word on solar system’s earliest years. Also, scientists discover the coldest spot on Earth. A champion chill, but positively balmy compared to absolute zero. Why reaching a temperature of absolute zero is impossible, although we’ve gotten very, very close. Guests: Francis Halzen – Physicist, University of Wisconsin-Madison, principal investigator of The IceCube Neutrino Observatory Ted Scambos – Glaciologist, lead scientist, National Snow and Ice Data Center, University of Colorado Pascal Lee – Planetary scientist, SETI Institute, director, NASA Haughton-Mars Project, and co-founder of the Mars Institute. His new book is Mission: Mars Andrew Fraknoi – Chair, astronomy department, Foothill College Vladan Vuletić – Physicist, Massachusetts Institute of Technology Descripción en español Learn more about your ad choices. Visit megaphone.fm/adchoices
What this episode covers
We all may prefer the goldilocks zone – not too hot, not too cold. But most of the universe is bitterly cold. We can learn a lot about it if we’re willing to brave a temperature drop. A chilly Arctic island is the closest thing to Mars-on-Earth for scientists who want to go to the Red Planet. Meanwhile, the ice sheet at the South Pole is ideal for catching neutrinos – ghostly particles that may reveal secrets about the nature of the universe. Comet ISON is comet ice-off after its passage close to the Sun, but it’s still giving us the word on solar system’s earliest years. Also, scientists discover the coldest spot on Earth. A champion chill, but positively balmy compared to absolute zero. Why reaching a temperature of absolute zero is impossible, although we’ve gotten very, very close. Guests: Francis Halzen – Physicist, University of Wisconsin-Madison, principal investigator of The IceCube Neutrino Observatory Ted Scambos – Glaciologist, lead scientist, National Snow and Ice Data Center, University of Colorado Pascal Lee – Planetary scientist, SETI Institute, director, NASA Haughton-Mars Project, and co-founder of the Mars Institute. His new book is Mission: Mars Andrew Fraknoi – Chair, astronomy department, Foothill College Vladan Vuletić – Physicist, Massachusetts Institute of Technology Descripción en español Learn more about your ad choices. Visit megaphone.fm/adchoices
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Some Like It Cold
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