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Huge waves are sculpted in this two-lobed nebula some 3000 light-years away in the constellation of Sagittarius. This warm planetary nebula harbours one of the hottest stars known and its powerful stellar winds generate waves 100 billion kilometres high.
This new image shows the dramatic shape and colour of the Ring Nebula, otherwise known as Messier 57.
From Earth’s perspective, the nebula looks like a simple elliptical shape with a shaggy boundary
This is the image of a Jupiter-mass planet orbiting the nearby star Epsilon Eridani. Located 10.5 light-years away, it is the closest known extrasolar planet to our solar system. The planet is in an elliptical orbit that carries it as close to the star as Earth is from the Sun, and as far from the star as Jupiter is from the Sun.
Injecting a swarm of nanoparticles into the blood of someone who has suffered a brain injury may one day help to limit the damage - if experimental results in mice can be translated to humans. In mice, these nanoparticles seemed to reduce dangerous swelling by distracting immune cells from rushing to an injured brain.
