Astronomers In 1996, took a huge risk when they pointed the Hubble telescope to an inky field that they believed to be void of stars, planets, and galaxies. As images from Hubble are in constant high demand, the worry was that devoting so much time to a black space would prove futile. Once the photons that have been traveling for 13 billion years finally registered, though, that leap of faith proved fruitful: light from over three thousand galaxies illuminated the image.
Every single spot, smear, and dot on the image was an entire galaxy, and each one containing hundreds of billions of stars. A few years and missions later, Hubble’s glimpse into what is known as the ultra deep field has revealed that we are just one tiny part of a vast system comprising 100 billion galaxies.
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