Travel to James Webb Space Telescope's NIRCam and MIRI instrument views of protostar L1527. The protostar is about 100,000 ...

The protostar within L1527 is only 100,000 years and thus doesn't generate its own energy from nuclear fusion that turns hydrogen into helium, like a full-fledged star.

The protostar within the dark cloud L1527, shown in this image from NASA’s James Webb Space Telescope Near-Infrared Camera (NIRCam). NASA, ESA, CSA, and STScI. Image processing: J. DePasquale, A ...

The protostar L1527, shown in this image from the NASA/ESA/CSA James Webb Space Telescope, is embedded within a cloud of material that is feeding its growth.

A gas cloud 450 light years away in the constellation Taurus hosts not just a newborn protostar, but a dense core of gas that will likely become a star in the near future.

The Protostar Phase The energy generated during the collapse of material during the nebula phase feeds the newly-formed protostar, but it is not yet sufficiently hot for nuclear fusion to take place.

As a protostar amasses more and more gas and dust, its spinning core gets hotter and hotter. Once it accumulates enough mass and reaches millions of degrees, nuclear fusion begins in the core.

Protostar L1527 is smack dab in the middle of this hourglass-shaped cloud of material. NASA, ESA, CSA, and STScI, J. DePasquale (STScI) ...

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This 3D cartoon shows how a spinning jet flies out from the accretion desk feeding a central protostar. The second panel shows a zoomed-in view of the center.