Search found 2 matches

by matthijs
Wed Aug 30, 2006 4:21 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Super Nova Remnant ED102 From Hubble (APOD 29 Aug 2006)
Replies: 10
Views: 4388

Thank you all for your contributions. I had not heard of diffraction spikes before.

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Matthijs Sypkens Smit
by matthijs
Wed Aug 30, 2006 9:44 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Super Nova Remnant ED102 From Hubble (APOD 29 Aug 2006)
Replies: 10
Views: 4388

Star twinkle effect in hubble pictures (APOD 29 Aug 2006)

This might be a faq, but I could not easily find the answer. I apologize if this has already been discussed many times before. I noticed that on the APOD of august 28, 2006 ( http://antwrp.gsfc.nasa.gov/apod/ap060829.html ) the bigger stars show 'twinkles' in the exact vertical and horizontal direct...