What the First Images from JWST Show Us

NASA just released the first full-color images from the James Webb Space Telescope. These images, including the deepest infrared image of our universe ever, are a preview to how JWST will change our understanding of the cosmos. So what else does this first batch of photos reveal?

NASA showed off the first full-color images captured by the James Webb Space Telescope. And these images are just a glimpse into what JWST can really do. It took two and a half decades to build and launch JWST, the largest and most advanced space telescope ever built. Unlike its predecessor Hubble, Webb can observe way farther into the infrared part of the spectrum, giving it an even better look at the first galaxies formed after the Big Bang. The telescope will help us understand how the cosmos began, and whether we’re alone out there.

First, we have the deepest and sharpest infrared image ever taken of our universe. It’s a region full of thousands of galaxies. And because the light from these distant objects takes so long to reach us, we’re seeing them as they were when the universe was less than a billion years old.

Then there’s the Carina Nebula, a stellar nursery. This image provides a glimpse into how stars form. It was imaged by Hubble…but this new view reveals new stars…and some new mysteries.

On the other end of the stellar life cycle, there’s the Southern Ring. It’s a region of cosmic dust and gas that surrounds a dying star. The telescope captured two views in different chunks of the infrared spectrum, revealing a clearer view of the binary star at the nebula’s center.

Then there’s Stephan’s Quintet, a compact group of five galaxies. Highlights here are two galaxies in the process of merging, and a region of extremely bright gas being pulled into a black hole.

And finally, this is the telescope’s first spectrum of an exoplanet’s atmosphere. This graph reveals the atmospheric composition of a large, hot planet far from our own solar system. Data like this can reveal whether a world may sustain life as we know it….in this case, we can see the tell-tale signs of water vapor.

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