"Astronomers have been studying the heavens for thousands of years, but until recently much of the cosmos has been invisible to the human eye. Launched in 2003, the Spitzer Space Telescope has brought ...
The Universe is full of radiation of all types but most of this does not reach us here on Earth because our atmosphere blocks out many wavelengths of radiation, but lets others through. Fortunately ...
It is 20 years ago this year that Europe, in collaboration with the United States, launched the first infrared observatory into space. Its infrared powers revealed a secret universe that, to this day, ...
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