The world’s largest and most powerful space telescope rocketed away Saturday on a high-stakes quest to behold light from the first stars and galaxies and scour the universe for hints of life.
NASA partnered with the European and Canadian space agencies to build and launch the new 7-ton telescope, with thousands of people from 29 countries working on it since the 1990s.
“We have delivered a Christmas gift today for humanity,” said European Space Agency director general Josef Aschbacher. He described it as a special moment, but added: “It’s very nerve-racking. I couldn’t do launches every single day. This would not be good for my life expectancy.” If all goes well, the sunshield will be opened three days after liftoff, taking at least five days to unfold and lock into place. Next, the mirror segments should open up like the leaves of a drop-leaf table, 12 days or so into the flight.
The Hubble Space Telescope will be a tough act to follow, according to Stiavelli and retired astronaut-astronomer Steven Hawley, even though Webb is 100 times more powerful.
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