EAN: 9781837731275

EYES IN THE SKY - ANDREW MAY TASCHENBUCH

Over 50 years ago  astronomers launched the world's first orbiting telescope. This allowed them
to gaze further into outer space and examine anything that appears in the sky above our heads 
from comets and planets to galaxy clusters and stars. Since then  almost 100 space telescopes
have been launched from Earth and are orbiting our planet  with 26 still active and relaying
information back to us. As a result of these space-based instruments  such as NASA's iconic
Hubble Space Telescope  we know much more about the universe than we did half a century ago.
But why is Hubble  orbiting just 540 kilometres above the Earth  so much more effective than a
ground-based telescope? How can a glorified camera tell us not only what distant objects look
like  but their detailed chemical composition and three-dimensional structure as well?

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