Search results for “Astrophysics”

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: Ocean Worlds

Visit http://science.nasa.gov/ for more. We once thought oceans made our planet unique, but we’re now coming to realize that ‘ocean worlds’ are all around us. Click here to see more videos: https://alugha.com/NASA

ScienceCasts: The Special Ingredients... of Earth

Researchers using a Japanese X-ray satellite with NASA participation have found the chemical ingredients of Earth-like planets in the Virgo cluster of galaxies. Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more.

ScienceCasts: NASA's Next Great Space Telescope

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. Assembly of NASA's next great space observatory, the James Webb Space Telescope, is underway. It will show researchers the first stars and galaxies that formed in the early universe. JWST WebbCam: http

What Is Dark Matter?

Click here to see more videos: https://alugha.com/LifesBiggestQuestions 80 percent of our universe is made up stuff that doesn’t emit light or energy, and can't be directly observed. This is called dark matter. Many scientists believe its there, because there are, how to put this, hints that it exi

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

ScienceCasts: Readying the Webb Telescope for Launch

Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. Stringent testing is underway to prove the James Webb Space Telescope can handle an Earth-shaking take-off and still capture the universe’s first light while deeply ensconced in the hyper-cold of space.