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- 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: 9427
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?