Tracking Changes in the Trifid Nebula With the Hubble

This Hubble image shows part of the Trifid Nebula, an object the space telescope first observed in 1997. This image is part of NASA's celebration for the telescope's 35th year of work. The central part of the image looks almost like a sea slug with its pair of antennae. Image Credit: NASA, ESA, STScI; Image Processing: Joseph DePasquale (STScI)

Back in 1997, the Hubble Space Telescope imaged the spectacular Trifid Nebula, a region of active star-formation. Now the telescope has revisited the Trifid. By comparing both images, astronomers have tracked some changes that tell them about how young stars behave and evolve.

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