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A planet is forming in an Earth-like orbit around a young star

2 April 2016 Astronomy Now

Discs of dust and gas that surround young stars are the formation sites of planets. New images from the Atacama Large Millimetre/submillimetre Array (ALMA) reveal never-before-seen details in the planet-forming disc around a nearby Sun-like star, including a tantalising gap at the same distance from the star as the Earth is from the Sun.

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The minimum mass of a proto-solar system disc

20 October 2015 Astronomy Now

Astronomers studying the birth of planetary systems in the young (about 2-3 million years old) star forming region IC348 in Perseus as seen by the infrared cameras onboard the Spitzer Space Telescope have found thirteen stars in this complex with detectable discs, none of which is as massive as our early solar system’s disc.