Now that you’ve seen the galactic question mark, it’s only fitting we follow that up with a smiling face in galaxy cluster SDSS J0952+3434, as captured by Hubble’s Wide Field Camera 3 (WFC3). Upon closer inspection, you’ll see two yellow-hued blobs hang atop a sweeping arc of light.
The lower section, an arc-shaped galaxy, has the characteristic shape of a galaxy that has been gravitationally lensed, which means that light has passed near a massive object, causing it to become distorted and stretched out of shape. Hubble observed this galaxy cluster to study how new stars spring to life throughout the cosmos.
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Stars are born within giant clouds of gas. These massive clouds, or stellar nurseries, grow unstable and begin to collapse under gravity, becoming the seeds that will grow into new stars. By analyzing the luminosity, size and formation rate of different stellar nurseries, scientists hope to learn more about the processes that can lead to the formation of a newborn star,” said the NASA Hubble Mission Team.
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