Biggest things in space

Category: Astronomy
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On Earth and in the Universe, size matters, but it matters in different ways. In Space, bigger is not necessarily better.

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Meet the scientists across the world on the hunt for dark energy, an unknown form of energy which is hypothesized to permeate all of space and may be accelerating the expansion of the universe.

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When Will Humans Live on Mars?

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Dark Matter

Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe isn’t all there is. Galaxies and other large structures in the universe are created and shifted by a force we detect mostly indirectly, by observing its impact: DARK MATTER.

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Do we live in a multiverse?

It has long been thought that our universe is all there is, but it is possible we may live in just one of many.

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Neil deGrasse Tyson on the New Cosmos

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