Grow

Some planet-forming stars never ‘grow up’ and lose their ‘Peter Pan’ disks

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a bright white orb surrounded by dusty brown clouds

Planet formation around low-mass stars may be suffering from Peter Pan syndrome. While previous observations and models have suggested that a disk of planetary building blocks should be ‘fully grown’ – having burned through its world-making material – in about 10 million years, a new kid on the block is proving them wrong, weighing in … Read more

We Might Finally Know How Galaxies Grow So Large

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Astronomers have spent decades trying to understand how galaxies grow so large. One piece of the puzzle is spheroids, also known as galactic bulges. Spiral galaxies and elliptical galaxies have different morphologies, but they both have spheroids. This is where most of their stars are and, in fact, where most stars in the Universe reside. … Read more