Recent content by madscientist404i

Black holes are the most mysterious objects in the universe. They're places where physics is pushed to its most extreme, where light cannot escape, and where space-time itself is twisted and even punctured, leading to the most incredible and counter-intuitive phenomena. Tell me your words for...

The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space.

Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a bang.

Photo: Lensshoe_hubble.jpg: ESA/Hubble & NASA derivative work: Bulwersator (talk) - Lensshoe_hubble.jpg What's large and blue and can wrap itself around an entire galaxy? A gravitational lens mirage. Pictured above, the gravity of a luminous red galaxy (LRG) has gravitationally distorted the...

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