space

“Still discovering new things”

On board each Voyager is a golden record — and record player — that is built to last one billion years or more and contains key information about humanity and life on planet Earth, in case of an alien encounter. The sounds include the calls of humpback whales, the Chuck Berry song “Johnny B. Goode,” Beethoven’s Fifth Symphony, a Japanese shakuhachi (a type of flute), a Pygmy girls’ initiation song, and greetings in 55 languages. …

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Stephen Hawking is backing a project to send tiny spacecraft to another star system within a generation

The concept is to reduce the size of the spacecraft to about the size of a chip used in electronic devices. The idea is to launch a thousand of these mini-spacecraft into the Earth’s orbit. Each would have a solar sail. This is like a sail on a boat – but it is pushed along by light rather than the wind. A giant laser on Earth would give each one a powerful push, sending them …

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Metaphor for Looking Ahead By Looking Back

By pushing NASA’s Hubble Space Telescope to its limits, an international team of astronomers has shattered the cosmic distance record by measuring the farthest galaxy ever seen in the universe. This surprisingly bright infant galaxy, named GN-z11, is seen as it was 13.4 billion years in the past, just 400 million years after the Big Bang. GN-z11 is located in the direction of the constellation of Ursa Major. Source: Hubble Team Breaks Cosmic Distance Record …

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