The secret race exposed inside the Pillars of Creation - by StartsWithABang
you might encounter. Overall, this region glitters brightly, as many brilliant young stars — including short-lived, blue, luminous O-and-B class stars — are concentrated within it. The dust in the nebula, while blocking the light from the stars behind it, also reflect the light from the stars in front of it, creating a brilliant blue-hued reflection nebula.
Although they had been identified from ground-based images long ago, it was only in 1995 that the Hubble Space Telescope took what quickly became an iconic image of these pillars. In fact, aside from the Hubble Deep Field image, it’s arguable that Hubble’s initial image of the Pillars of Creation was the single most important image taken with the Hubble Space Telescope during the first decade or so of its lifetime.
If the light is much longer in wavelength than the size of a dust grain, the light simply passes through the dust, enabling us to “see through” the material in that particular wavelength of light. Travel the Universe with astrophysicist Ethan Siegel. Subscribers will get the newsletter every Saturday. All aboard!
Perhaps the most famous feature of them all, when it comes to the Pillars of Creation, is the large knot of dust atop the largest pillar. This three-panel view, beginning with Hubble’s 1995 view, progressing to the 2014 view, and culminating in JWST’s 2022 view, are all spectacular, but only the JWST view allows us to see the true structure and density of the dust inside.
Another spectacular, related, but very different view comes courtesy of taking a detailed look at the second, smaller pillar. Yes, again, there’s a proto-star forming in the “tip” of this pillar: something that’s only suggested in the 1995 image, more apparent in the 2014 image, but clearly shines through the gas in the JWST image.
This animation that fades between the 1995 Hubble view, the 2014 Hubble view, and the 2022 JWST view shows off the different views of stars, dust, knotted gas loops and outflows, and the presence of protostars. The variety of features at the top of this pillar, the 2nd one in the Pillars of Creation, is particularly notable.
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