The light echo of the nebula, which is caused by the light from the Cepheid pulsating outward and making the nebula flicker in brightness, was photographed repeatedly by the NASA/ESA Hubble Space Telescope. The nebula is so large that, despite the fact that light travels at a very high speed, the reflected light may be seen moving through it. Over the course of a six-week cycle, RS Puppies rhythmically brightens and dims. Scientists have created a new, fun way to experience the nebula by modifying the data in the image. Astronomers can measure these light echoes and calculate the distance with extreme accuracy by observing the variations in brightness of RS Puppies itself and spotting the minute glimmers of light reflecting off the nebula.
One of the brightest members of the group of stars known as Cepheid variable stars, RS Puppies, has been modified and made available by NASA. This brilliant star, which is around 6,500 light-years away, is 200 times bigger than our sun and has an average intrinsic brightness that is 15,000 times higher.
The light echo of the nebula, which is caused by the light from the Cepheid pulsating outward and making the nebula flicker in brightness, was photographed repeatedly by the NASA/ESA Hubble Space Telescope. The nebula is so large that, despite the fact that light travels at a very high speed, the reflected light may be seen moving through it. Over the course of a six-week cycle, RS Puppies rhythmically brightens and dims. Scientists have created a new, fun way to experience the nebula by modifying the data in the image. Astronomers can measure these light echoes and calculate the distance with extreme accuracy by observing the variations in brightness of RS Puppies itself and spotting the minute glimmers of light reflecting off the nebula.
The light echo of the nebula, which is caused by the light from the Cepheid pulsating outward and making the nebula flicker in brightness, was photographed repeatedly by the NASA/ESA Hubble Space Telescope. The nebula is so large that, despite the fact that light travels at a very high speed, the reflected light may be seen moving through it. Over the course of a six-week cycle, RS Puppies rhythmically brightens and dims. Scientists have created a new, fun way to experience the nebula by modifying the data in the image. Astronomers can measure these light echoes and calculate the distance with extreme accuracy by observing the variations in brightness of RS Puppies itself and spotting the minute glimmers of light reflecting off the nebula.
The light echo of the nebula, which is caused by the light from the Cepheid pulsating outward and making the nebula flicker in brightness, was photographed repeatedly by the NASA/ESA Hubble Space Telescope. The nebula is so large that, despite the fact that light travels at a very high speed, the reflected light may be seen moving through it. Over the course of a six-week cycle, RS Puppies rhythmically brightens and dims. Scientists have created a new, fun way to experience the nebula by modifying the data in the image. Astronomers can measure these light echoes and calculate the distance with extreme accuracy by observing the variations in brightness of RS Puppies itself and spotting the minute glimmers of light reflecting off the nebula.
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