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by Hyperborean
Mon Jul 06, 2020 4:01 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Bright Planetary Nebula NGC 7027... (2020 Jun 30)
Replies: 31
Views: 10708

Re: APOD: Bright Planetary Nebula NGC 7027... (2020 Jun 30)

Have we seen this with any other nebulae, ejecting different material at different times in its history?