Almost four months after launch, the JamesWebbSpaceTelescope has just taken a big step toward making its first observations of deep space.
The $10 billion mission — a joint effort involving NASA, the European Space Agency, and the Canadian Space Agency — is on a quest to find out more about the origins of the universe while at the same time searching for distant planets that may support life.
JPL said that along with the telescope’s other other instruments, MIRI started cooling down in the shade of Webb’s large sunshield, dropping to around 90 kelvins . The low temperature is vital as Webb’s instruments detect infrared light, which “distant galaxies, stars hidden in cocoons of dust, and planets outside our solar system” all emit.
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