Gaia produces stellar density map of the Milky Way

This image, based on housekeeping data from ESA's Gaia satellite, is no ordinary depiction of the heavens. While the image portrays the outline of our Galaxy, the Milky Way, and of its neighbouring Magellanic Clouds, it was ...

The physical properties of dense molecular clouds

Small, dense interstellar clouds of gas and dust, containing hundreds to thousands of solar-masses of material, are suspected of being the precursors to stars and stellar clusters. These so-called cores, with gas densities ...

Solar Impulse could be stuck in Japan for a year: pilot

A solar-powered plane attempting to fly around the world must cross the Pacific within a few weeks or it could remain stuck in Japan for a year, its pilot said in an interview published Thursday.

Solar Impulse now fixed but waiting on weather

A solar-powered plane that got stuck in Japan during an attempt to fly around the world is fixed and ready to go—as soon as the weather gets better, a spokeswoman said Thursday.

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