News tagged with radio

The controversy over interstellar messaging

Should we beam messages into deep space, announcing our presence to any extraterrestrial civilizations that might be out there? Or, should we just listen? Since the beginnings of the modern Search for Extraterrestrial ...

dateFeb 20, 2015 in Space Exploration
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Why does the Milky Way rotate?

We live in a galaxy that is called the Milky Way. It's called a barred spiral galaxy, which means that it has a spiral shape with a bar of stars across its middle. The galaxy is rather huge—at least 100,000 ...

dateFeb 11, 2015 in Astronomy
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Transmitting wireless data on higher frequencies

Everything we do that requires a wireless connection uses the radio spectrum. We're able to harness radio waves to listen to music in the car or stream Netflix from the 4G network on our smartphones. Each ...

dateJan 27, 2015 in Telecom
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A recoiling, supermassive black hole

When galaxies collide, the central supermassive black holes that reside at their cores will end up orbiting one another in a binary pair, at least according to current simulations. Einstein's general theory ...

dateJan 26, 2015 in Astronomy
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Snapshot of cosmic burst of radio waves

A strange phenomenon has been observed by astronomers right as it was happening - a 'fast radio burst'. The eruption is described as an extremely short, sharp flash of radio waves from an unknown source in ...

dateJan 19, 2015 in Astronomy
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