3 thousand light-years have a Cat's Eye Nebula.

<P Align=center> </ P> <P> Technology Channel (tech.) Message: 3000 light years away from us there is a Cat's Eye Nebula, strange and beautiful shapes and complex structures. .It is also a planetary nebula, like a star about to decline, "a supernatural", the gas jet from the central star shells into the site look like disturbance. .It is estimated that the nebula gas expansion has been 1000 years, the shape of his double reverse should be the center of a nebula around the binary system interaction, they throw the material evolved into a complex shape. .Red for hydrogen, oxygen atoms are blue, green, nitrogen atoms. .</ P> <P> popular science writer. .Science research in China, Purple Mountain Observatory, Beijing Planetarium work. .Published many works of astronomical science. .International Astronomical Union because of his contribution to the popularization of astronomy, in his name to an asteroid. .</ P> <P> engaged in the work of decades of science, he carried out thousands of times astronomy lectures, performances astronomy, astronomy exhibitions, popularizing scientific knowledge, to open people's horizons, he has written popular science articles .popular with readers, it is read Li's article, many young people took to the road of learning astronomy, entered the ranks of astronomers. .</ P> </ p>.