Hubble - greatest discoveries
During its 25-year long mission the NASA/ESA Hubble Space Telescope has changed our view of the Universe significantly. Some of the most ground-breaking discoveries made in astronomy in the 20th century were made by Hubble, which allows astronomers to better understand the world we live in and investigate its mysteries even further. The greatest discoveries are highlighted in the series of articles below.
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The Hubble Deep Fields:
How Hubble has observed the furthest away galaxies and the most ancient starlight ever seen by humankind -
Age and size of the Universe:
How Hubble has calculated the age of the cosmos and discovered the Universe is expanding at an ever faster rate -
The lives of stars:
How Hubble has revolutionised our understanding of the birth and death of stars -
The solar neighbourhood:
What Hubble has taught us about planets, asteroids and comets in our own Solar System -
Exoplanets and proto-planetary discs:
How Hubble has made the first ever image of an exoplanet in visible light, and spotted planetary systems as they form -
Black Holes, Quasars, and Active Galaxies:
How Hubble found black holes at the heart of all large galaxies -
Formation of stars:
How Hubble observes stars as they form from huge dust clouds -
Composition of the Universe:
How Hubble studied what the Universe is made of, and came to some startling conclusions -
Gravitational lenses:
How astronomers use a helping hand from Einstein to increase Hubble's range
Last Update: 1 September 2019