14 Things We’ve Learned About the Universe From the Hubble Space Telescope

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Launched 25 years ago, the Hubble Space Telescope is a veritable manufacturing plant of discoveries, solving mysteries of the universe and raising tantalizing new possibilities about where we’ve come from and where we are going. Here are 14 things we’ve learned from the Hubble Space Telescope.

1. WE SHOULD PUT 14 BILLION CANDLES ON THE UNIVERSE’S BIRTHDAY CAKE.

Galaxies are moving apart, which means at some point they must have been close together. One method to figure out the age of the universe involved using Hubble to determine speed, distance, and acceleration. Scientists could then work out the time necessary for current galactic distances to be reached. The universe’s birthday cake requires 14 billion candles.

2. QUASARS CALL GALACTIC CORES HOME.

NASA
Quasars are extraordinarily weird. They’re the size of our solar system but as bright as entire galaxies that are populated with billions and billions of stars. Scientists used Hubble to track down the home of these celestial high beams: galactic cores.

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