Galaxy cluster image revealed key ingredients for life
Pointed towards the galaxy cluster SMACS 0723, the telescope's spectrograph revealed the chemical composition of a galaxy located 13.1 billion light-years away.
Scientists found oxygen, hydrogen, and neon in this distant galaxy. According to astronomy author Colin Stuart, the spectra show that hydrogen and oxygen, the key ingredients for life, were already around 700 million years after the Big Bang.
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