L1544

Illustration of the ambipolar vortex in the protostellar core L1544. The blue lines represent the magnetic field; the red dots are ions and the green dots are neutral molecules. In the inner part of the core, the neutral molecules partially detach from the field and fall towards the center at a higher speed than the ions. Illustration: Yurika Nakamura and Doris Arzoumanian, Kyushu University.

The cosmic "slip" that allows a star to begin being born has been measured

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Magnetic fields can delay the collapse of clouds of gas and dust and delay the birth of stars. Using the 30-meter IRAM radio telescope, researchers measured a difference of about 50 meters per second between
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