Source for pictures top to bottom on page
Nebula
Pic 1
https://www.google.com.au/url?sa=i&rct=j&q=nebula+nasa&source=images&cd=&ved=0CAUQjhxqFQoTCK-jmMak5McCFSYcpgod9ucKwA&url=http%3A%2F%2Fwww.brownspaceman.com%2Ftake-a-gorgeous-peak-at-the-rosette-nebula-caldwell-49%2F&psig=AFQjCNGkIvKrrXr5VNAXz9mUqNUPwiWRQg&ust=1441693337222411
Pic 2
http://www.nasa.gov/multimedia/imagegallery/image_feature_768.htm
Main sequence
Pic 1
http://apod.nasa.gov/apod/ap110903.html
Pic 2
https://en.m.wikipedia.org/wiki/File:Solar_internal_structure.svg
Red giant
Pic 1
https://en.m.wikipedia.org/wiki/File:Sun_red_giant.svg
Pic 2
http://www.nasa.gov/mission_pages/sdo/news/coronal-rain.html
Pic 3
http://kepler.nasa.gov/news/nasakeplernews/index.cfm?FuseAction=ShowNews&NewsID=116
White dwarf
Pic 1
http://www.astrobio.net/news-exclusive/detecting-life-on-planets-that-orbit-white-dwarf-stars/p
Pic 2
http://news.discovery.com/space/recreating-white-dwarf-atmospheres-in-the-lab-121010.htm
Black hole
Pic 1
https://www.nasa.gov/press/2014/september/hubble-helps-find-smallest-known-galaxy-containing-a-supermassive-black-hole
Pic 1
https://www.google.com.au/url?sa=i&rct=j&q=nebula+nasa&source=images&cd=&ved=0CAUQjhxqFQoTCK-jmMak5McCFSYcpgod9ucKwA&url=http%3A%2F%2Fwww.brownspaceman.com%2Ftake-a-gorgeous-peak-at-the-rosette-nebula-caldwell-49%2F&psig=AFQjCNGkIvKrrXr5VNAXz9mUqNUPwiWRQg&ust=1441693337222411
Pic 2
http://www.nasa.gov/multimedia/imagegallery/image_feature_768.htm
Main sequence
Pic 1
http://apod.nasa.gov/apod/ap110903.html
Pic 2
https://en.m.wikipedia.org/wiki/File:Solar_internal_structure.svg
Red giant
Pic 1
https://en.m.wikipedia.org/wiki/File:Sun_red_giant.svg
Pic 2
http://www.nasa.gov/mission_pages/sdo/news/coronal-rain.html
Pic 3
http://kepler.nasa.gov/news/nasakeplernews/index.cfm?FuseAction=ShowNews&NewsID=116
White dwarf
Pic 1
http://www.astrobio.net/news-exclusive/detecting-life-on-planets-that-orbit-white-dwarf-stars/p
Pic 2
http://news.discovery.com/space/recreating-white-dwarf-atmospheres-in-the-lab-121010.htm
Black hole
Pic 1
https://www.nasa.gov/press/2014/september/hubble-helps-find-smallest-known-galaxy-containing-a-supermassive-black-hole
Bibliography information
Nebula
https://en.wikipedia.org/wiki/Nebula
https://www.nebula.com/
http://www.acustica-audio.com/index.php?option=com_content&view=article&id=180&Itemid=306
Main sequence
http://www.atnf.csiro.au/outreach/education/senior/astrophysics/stellarevolution_mainsequence.html
http://astronomy.swin.edu.au/cosmos/M/Main+Sequence+Lifetime
http://www.space.com/22437-main-sequence-stars.html
Red giant
http://www.space.com/22471-red-giant-stars.html
http://www.space.com/22471-red-giant-stars.html
White dwarf
https://en.wikipedia.org/wiki/White_dwarf
http://astronomy.swin.edu.au/cosmos/W/white+dwarf
http://imagine.gsfc.nasa.gov/science/objects/dwarfs1.html
http://imagine.gsfc.nasa.gov/science/objects/dwarfs2.html
Black hole
http://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html
https://en.wikipedia.org/wiki/Black_hole
http://science.nasa.gov/astrophysics/focus-areas/black-holes/
Nebula
https://en.wikipedia.org/wiki/Nebula
https://www.nebula.com/
http://www.acustica-audio.com/index.php?option=com_content&view=article&id=180&Itemid=306
Main sequence
http://www.atnf.csiro.au/outreach/education/senior/astrophysics/stellarevolution_mainsequence.html
http://astronomy.swin.edu.au/cosmos/M/Main+Sequence+Lifetime
http://www.space.com/22437-main-sequence-stars.html
Red giant
http://www.space.com/22471-red-giant-stars.html
http://www.space.com/22471-red-giant-stars.html
White dwarf
https://en.wikipedia.org/wiki/White_dwarf
http://astronomy.swin.edu.au/cosmos/W/white+dwarf
http://imagine.gsfc.nasa.gov/science/objects/dwarfs1.html
http://imagine.gsfc.nasa.gov/science/objects/dwarfs2.html
Black hole
http://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html
https://en.wikipedia.org/wiki/Black_hole
http://science.nasa.gov/astrophysics/focus-areas/black-holes/