This isn't a giant rainbow sperm, but instead an energetic burst of gases being spat out from the center of a galaxy thanks the the immense pressures of stars forming at its core.

The observation of galaxy SDSS J0905+57 has been made by a team of scientists from the University of Hertfordshire, UK. Previously it was thought that such ejections were only made possible by a black hole at the core of a a galaxy, but this research shows that not to be the case.

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The jet shown here was moving at a face-melting 2,000,000 miles per hour, and the gases making it up could form the equivalent of more than 1 billion suns. That, perhaps unsurprisingly, is enough to mean that star formation in this galaxy is now somewhat hampered. [Nature via New Scientist]