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Hayabusa 2 Completes Flyby Past Asteroid Torifune

Japan’s Hayabusa 2 mission has revealed another "snowman" asteroid β€” a pair of asteroids attached with a narrow neck. The contact binary could help shed light on planet formation.

The post Hayabusa 2 Completes Flyby Past Asteroid Torifune appeared first on Sky & Telescope.

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July Podcast: Spotlight on Spica

This month’s episode highlights the bright star Spica, now prominent high in the southwest after evening twilight. It’s leading the parade of constellations, along with the brilliant planet Venus, that will grace the Northern Hemisphere’s summer skies. You'll also get to know other brights stars in Spica’s vicinity, along with excellent tips on how to be a better stargazer. So grab curiosity and come along on this month’s Sky Tour.

The post July Podcast: Spotlight on Spica appeared first on Sky & Telescope.

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Exploding Stars Sprinkled Ancient Earth With Radioactive Iron and Plutonium

Exploding stars have left their radioactive mark on our planet. Now scientists have found more evidence of a particularly violent event in Earth’s more ancient past.

The post Exploding Stars Sprinkled Ancient Earth With Radioactive Iron and Plutonium appeared first on Sky & Telescope.

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This Week's Sky at a Glance, June 19 – 28

The Moon as it will appear in an amateur telescope at 10 p.m. EDT Friday the 19th. This week Venus and Jupiter continue moving apart low in the western twilight. Vega and Arcturus shine equally high after dark. And watch Beta Lyrae self-eclipse.

The post This Week's Sky at a Glance, June 19 – 28 appeared first on Sky & Telescope.

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β€œShadow Blaster” Galaxy Might Have Sent High-Energy Neutrino to Earth

A star-forming galaxy in the early universe might have sent a ghostly particle known as a neutrino crashing into the ice at Earth’s South Pole, after an 11 billion-year journey through space.

The post β€œShadow Blaster” Galaxy Might Have Sent High-Energy Neutrino to Earth appeared first on Sky & Telescope.

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