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A new study shows only 30% of stars in a globular cluster will reach old age and become planetary nebulae. NASA

A stellar mid-life crisis: why do some cluster stars die early?

By Simon Campbell, Monash University

It was written in the stars all along, but we’ve just found out: a whopping 70% of stars in a widely-studied cluster die before reaching old age which, for stars, is the most productive stage of their…
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Three years ago we discovered water on the moon, and now we’ve worked out where it’s from. Jason Bache

Blowin' in the (solar) wind: how the moon got its water

By Jeremy Bailey

A study published in the journal Nature Geoscience last week suggests water on the moon may have come, at least in part, from the sun. Until a few years ago the orthodox view was that the moon was bone…

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