Dark Matter: Undiscovered Particle

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Space

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What are boson stars — and what do they have to do with dark matter?

Summary

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66% Informative

We strongly suspect that the universe is full of dark matter, which makes up around 25% of all the mass and energy in the cosmos.

But we don't have any direct evidence of such a particle.

Thankfully, we have another particle candidate waiting in the wings: the axion.

Axions are incredibly light — trillions upon trillions of times lighter than the neutrino, the lightest known particle.

As an "Agent to the Stars ," Paul has passionately engaged the public in science outreach for several years . He is the host of the popular "Ask a Spaceman !" podcast, author of " Your Place in the Universe" and "How to Die in Space" and he frequently appears on TV — including on The Weather Channel , for which he serves as Official Space Specialist ..

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Informative language

Neutral language

Article tone

informal

Language

English

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not offensive

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not hateful