The SOFIA observatory took to the skies to photograph the dense cloud of gas lit up by stars forming within

The SOFIA observatory took to the skies to photograph the dense cloud of gas lit up by stars forming within
NASA’s infrared juggernaut has imaged the fluttering of illuminated gas where new stars form
The galaxy cluster is the most massive structure yet found at such great distances
Read on to find out why this question is still baffling astronomers