Windows to the Universe

This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe.
NASA

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This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe. NASA

This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe. NASA

This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe. NASA

This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe.
NASA

This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe.
NASA

This is the Ring Nebula which is a planetary nebula 5,000 light years away. Its central star is very dim. Planetary nebulae are much smaller than diffuse nebulae and therefore more difficult to observe.
NASA