The Hubble Deep Field: The 1995 Photo That Changed Astronomy
In December 1995 the Hubble Space Telescope pointed at a patch of sky that appeared completely empty and kept looking for ten days. The result,[…]
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Gravitational Waves: How LIGO Opened a New Era of Astronomy
On 14 September 2015, a faint ripple in the fabric of space washed across Earth. It had been travelling for about 1.3 billion years, since[…]
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