This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from NASA 's James Webb Space Telescope, likely means the barred spiral galaxy, ...

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is ...

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