stellar evolution

NASA’s Webb Telescope Unmasks True Nature of the Cosmic Tornado – NASA Science

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NASA’s Webb Telescope Unmasks True Nature of the Cosmic Tornado – NASA Science

Craving an ice cream sundae with a cherry on top? This random alignment of Herbig-Haro 49/50 — a frothy-looking outflow from a nearby protostar — with a multi-hued spiral galaxy may do the trick. This new composite image combining observations from NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) provides a … Read more

What is Dark Energy? Inside our accelerating, expanding Universe – NASA Science

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What is Dark Energy? Inside our accelerating, expanding Universe – NASA Science

Around this same time in history, astronomer Vesto Slipher observed spiral galaxies using his telescope’s spectrograph, a device that splits light into the colors that make it up, much like the way a prism splits light into a rainbow. He used the spectrograph, a relatively recent invention at the time, to see the different wavelengths … Read more