Asked by vc
2. This is an older video, when was the James Webb Telescope launched? (You can look it up, it wasn't 2 years ago).
3. How is the James Webb different than the Hubble, as described in the video? How big is it?
4. How did they engineer the James Webb to launch since it was such a large telescope?
5. How can the James Webb detect the atmosphere of distant planets?
6. What part of the electromagnetic spectrum does the James Webb detect? And how does this relate to how NASA is manipulating/colorizing images from the telescope?
7. How long will this telescope be operational in space? Why did they get extra time?
8. What did you find most interesting in the video? (You can't say "nothing")
answer like a 12 year old in one sentence
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2. It launched on December 25, 2021 (Christmas Day).
3. It's way bigger than Hubble with a 6.5-meter gold mirror and a huge sunshield, it sees infrared instead of mostly visible light, and it's parked way out at L2 so it can look at the very faint, early universe and exoplanet atmospheres.
4. They folded the whole telescope up to fit in the rocket and then used a super-complicated sequence of motors, hinges, and releases to unfold the mirror and tennis-court-sized sunshield in space.
5. When a planet passes in front of its star, starlight goes through the planet's atmosphere and JWST reads the gas "fingerprints" in infrared light to tell which molecules are there.
6. JWST detects mainly infrared light (roughly 0.6–28 micrometers), which we can't see, so NASA assigns visible colors to different infrared wavelengths to make the images we can look at.
7. It's expected to work at least 10 years and maybe closer to 20 because the launch and orbit burns used less fuel than planned so it has extra propellant for operations.
8. The coolest thing to me was the giant unfolding, like insanely precise space origami that had to open perfectly or everything would be ruined.
3. It's way bigger than Hubble with a 6.5-meter gold mirror and a huge sunshield, it sees infrared instead of mostly visible light, and it's parked way out at L2 so it can look at the very faint, early universe and exoplanet atmospheres.
4. They folded the whole telescope up to fit in the rocket and then used a super-complicated sequence of motors, hinges, and releases to unfold the mirror and tennis-court-sized sunshield in space.
5. When a planet passes in front of its star, starlight goes through the planet's atmosphere and JWST reads the gas "fingerprints" in infrared light to tell which molecules are there.
6. JWST detects mainly infrared light (roughly 0.6–28 micrometers), which we can't see, so NASA assigns visible colors to different infrared wavelengths to make the images we can look at.
7. It's expected to work at least 10 years and maybe closer to 20 because the launch and orbit burns used less fuel than planned so it has extra propellant for operations.
8. The coolest thing to me was the giant unfolding, like insanely precise space origami that had to open perfectly or everything would be ruined.
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