Is the nearest star cluster to the sun being destroyed?

Data from ESA's Gaia star mapping satellite have revealed tantalizing evidence that the nearest star cluster to the sun is being disrupted by the gravitational influence of a massive but unseen structure in our galaxy.

Image: Hubble's treasure chest of galaxies

Galaxies abound in this spectacular Hubble image; spiral arms swirl in all colors and orientations, and fuzzy ellipticals can be seen speckled across the frame as softly glowing smudges on the sky. Each visible speck of a ...

Close encounters of the stellar kind

The movements of more than 300 000 stars surveyed by ESA's Gaia satellite reveal that rare close encounters with our sun might disturb the cloud of comets at the far reaches of our solar system, sending some towards Earth ...

Juno spacecraft crosses Jupiter / Sun gravitational boundary

Since its launch five years ago, there have been three forces tugging at NASA's Juno spacecraft as it speeds through the solar system. The sun, Earth and Jupiter have all been influential—a gravitational trifecta of sorts. ...

NASA image: God of the Gap

(Phys.org) —Saturn's moon Pan, named for the Greek god of shepherds, rules over quite a different domain: the Encke gap in Saturn's rings.

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