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Posts Tagged "cosmic rays"

Basic Space

A week in space: Mining asteroids, boats on Titan, bubbles inside bubbles inside bubbles, and more

Artists impression of asteroid mining. Credit: NASA

The big story this week was the launch of Planetary Resources, an asteroid mining company backed by the likes of James Cameron, Larry Page and Eric Schmidt. You can watch the full webcast of the press conference on YouTube. Paul Raeburn at the Knight Science Journalism Tracker has a good round up of the coverage [...]

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Basic Space

Massive Stars Create ‘Cocoon’ of Cosmic Rays

Cygnus X is a star forming region in the constellation Cygnus in the night sky. It looks rather pretty in visible light, as shown at the beginning of the video below. But in radio, infrared and gamma ray wavelengths, Cygnus X really comes to life. Recent Fermi Large Area Telescope (LAT) observations have shown that [...]

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Critical Opalescence

How to Build Your Own Quantum Entanglement Experiment, Part 1 (of 2)

Geiger counter

Quantum entanglement experiments are not something you can buy in the science kit aisle at Toys ’R Us. The cheapest kit I know of is a marvel of miniaturization, but still costs 20,000 euros. In the past month, though, I’ve put together a crude version for just a few hundred dollars. It’s unbelievably simple—so simple [...]

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Guest Blog

Paris: City of lights and cosmic rays

Paris has long had the nickname the "City of Lights," due to its role as a center of education during the Age of Enlightenment and, in the 1800s, due to its early implementation of electric lighting. It very nearly had its name associated with another form of radiation in 1910, however, thanks to a truly [...]

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Observations

Fermi Satellite Tracks Cosmic-Ray Origins Back to Supernova Remnants

Supernova shock wave

The cosmos is full of surprises—not a week goes by without some group of astronomers announcing a perplexing new discovery that upends theory or expectation. But equally important is the difficult and time-consuming research required to firmly pin down what astronomers think they already know. Take, for instance, a new study on the origins of [...]

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The Countdown

5 Unsolved Space Mysteries – The Countdown, Episode 26

  More to Explore: Life on Mars Ultra-High-Energy Cosmic Rays Type 1a Supernovae Dark Matter The Fate of the Universe

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The Countdown

The Countdown, Episode 16 – Supernova Space Rays, Liquid Lunar Mystery, Red Dwarf Exoplanets, Name Pluto’s Moons, Meteor Attack from Space

[The text below is a modified transcript of this video.] 5) Supernova Space Rays Here on Earth, we’re under constant attack from space. Charged particles, primarily protons, crash into our atmosphere at close to the speed of light. We call them cosmic rays and we’ve finally found out where they come from. In order to [...]

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