Loading...

Why are stars spiky? - Deep Sky Videos

88,696 views

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Sep 25, 2012

Why do photos of stars often have spiky, pointy bits of them? These are called diffraction spikes and some people even add them artificially!

Here are explained by Professor Mike Merrifield (University of Nottingham) and Nik Szmanek (astrophotographer). Mike tweets at https://twitter.com/ProfMike_M

Some image credits:
Philip Perkins: www.astrocruise.com/
Nik Szymanek: http://ccdland.net
Fred Espenak: http://astropixels.com

Deep Sky Videos website: http://www.deepskyvideos.com/
Twitter: https://twitter.com/#!/DeepSkyVideos
Facebook: http://www.facebook.com/DeepSkyVideos
Flickr: http://www.flickr.com/photos/68847473...
More about the astronomers in our videos: http://www.deepskyvideos.com/pages/co...

Videos by Brady Haran

A run-down of Brady's channels:
http://periodicvideos.blogspot.co.uk/...

Loading...

Advertisement
When autoplay is enabled, a suggested video will automatically play next.

Up next


to add this to Watch Later

Add to

Loading playlists...