The stellar nursery in the Rho Ophiuchi cloud complex features about 50 young stars, all similar to Earth's sun or smaller.
NASA celebrated the first year of science observations with the James Webb Space Telescope with a new image showing a stellar nursery where about 50 young sun-like stars are lighting up the interstellar medium. Click here for a zoomable image.
It took a month for the telescope to reach its planned parking place a million miles from Earth on the far side of the moon's orbit — Lagrange Point 2 — where it now circles the sun in gravitational lockstep with Earth, providing the cold, dark environment needed for mission success. The telescope and its four instruments are optimized to capture light from the first stars and galaxies that began shining in the aftermath of the Big Bang birth of the cosmos, light that has been stretched into the infrared region of the spectrum by the expansion of space itself over the past 13.8 billion years.
The telescope's sheer complexity prompted widespread tension among the astronomical community. But six-and-a-half months after launch, Webb was fully calibrated and operating as designed. NASA was able to release, that clearly demonstrated the enormous power of the most expensive science probe ever built.
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