NASA unveiled a new batch of images captured by the James Webb Space Telescope that are flat-out dazzling. Read about what this means for space exploration here: 📝: jeffreykluger
telescope that would be capable of peering 13.6 billion light years away—detecting infrared light that has been traveling to us since just 200 million years after the Big Bang. The telescope, they promised, would be ready to launch by 2007 and would carry a price tag of just $500 million—cheap, as these things go.
The Carina Nebula, one of the largest and brightest nebulae in the sky, located 7,600 light years from Earth.The Southern Ring Nebula, an expanding cloud of gas nearly half a light year wide surrounding a dying star 2,000 light years away. “I can’t help but think about scale,” said deputy project manager Amber Straughn, as she showed off the Carina image. “You know, every light we see here is an individual star, not unlike our sun, and many of these likely also have planets. It just reminds me that our sun and our planets, and ultimately us, were formed out of the same kind of stuff that we see here. We humans really are connected to the universe. We’re made of the same stuff that in this beautiful landscape.
Webb got just such a chemical spectrum of WASP-96b, revealing that the atmosphere is rich in water, the key ingredient for life as we know it. “What you’re seeing here is a telltale signature the chemical fingerprint of water vapor in the atmosphere of this specific exoplanet,” said Webb deputy project scientist Knicole Colón. “The other thing we can tell actually, is that there’s evidence of clouds and hazes.
The Webb telescope operates instead in the infrared spectrum, a wavelength of light beyond the visible spectrum that is a measure more of heat than of light. Hubble could never see the 13.6 billion light years distant that Webb can, because visible light from so far away is obscured by dust and gas in deep space. Infrared light cuts right through that interference.
“The difference between what Hubble and Webb [see] is not like comparing someone who’s 70 years old to somebody who’s 71 years old,” said Scott Friedman, an astronomer with the Webb team,
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