Search results for “1a Supernova”

NASA ScienceCasts: Two Sides of the Same Star

A neutron star comes from a large star that has run out of fuel, and exploded as a supernova. First it becomes a radio pulsar and later becomes a magnetar. Or maybe it’s the other way around! NASA Science: http://science.nasa.gov/ Click here to see more videos: https://alugha.com/NASA

ScienceCasts: Hubble’s Contentious Constant

There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

ScienceCasts: The Mystery of High-Energy Cosmic Rays

The cosmic ray detector known as CREAM is headed for the International Space Station, with a goal of measuring the highest energy possible for direct measurement of high-energy cosmic rays. Visit http://science.nasa.gov/ for more. New Mission Going to the Space Station to Explore Mysteries of 'Cos