Search found 1 match
- Sun Dec 04, 2011 9:14 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Light Echoes from V838 Mon (2011 Dec 04)
- Replies: 33
- Views: 4239
Re: APOD: Light Echoes from V838 Mon (2011 Dec 04)
I am puzzled by the explanation for this photo. If the star became bright in 2002, and the picture was taken in 2004, shouldn't the size of the light echo ring be 4 light years (radius of 2 light years)? The picture explanation says the reflected light ring is 6 light years in diameter. This is puz...