Primary, Secondary, and Tertiary Sources – Joshua Chase Robinson by Joshua Robinson https://padlet.com/jcrobinson43/s5n91rkli167 A padlet for breaking down primary, secondary, and tertiary sources. en-us 2017-08-05 17:39:20 UTC 2025-11-18 10:58:48 UTC hello@padlet.com Presidential Commission on the Space Shuttle Challenger Accident jcrobinson43 https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174753 http://purl.access.gpo.gov/GPO/LPS70438 
This source was put in the primary section because it is a direct address from the current President during the time of the Challenger Explosion.]]> 2017-08-05 17:43:11 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174753 The Challenger Launch Decision jcrobinson43 https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174779 by Diane Vaughan
ISBN: 0226851753
This source was put in the secondary section because it was written after the fact with hindsight.]]> 2017-08-05 17:44:49 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174779 Organization Learning at NASA: The Challenger and Columbia Accidents jcrobinson43 https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174793 by Julianne G. Mahler; with Maureen Hogan
ISBN: 9781589016033
This source was put in the secondary section because it was written after the fact with hindsight.]]> 2017-08-05 17:45:31 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174793 Liftoff jcrobinson43 https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174837 by M. Mitchell Waldrop
http://www.jstor.org/stable/1702478 
This source was put in the secondary section because it was written after the fact with hindsight.]]> 2017-08-05 17:47:30 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174837 NASA: Budgeting Back from Challenger jcrobinson43 https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174861 by J Eberhart
http://www.jstor.org/stable/3971476 
This source was put in the secondary section because it was written after the fact with hindsight.]]> 2017-08-05 17:48:28 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174861 The Risk of Catastrophic Failure of the Solid Rocket Boosters on the Space Shuttle jcrobinson43 https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174875 by H.F Martz and W. J. Zimmer
) http://www.jstor.org/stable/2684410 
This source was placed in the Tertiary section because it isn't directly related to the event itself, but does contain information on why the event happened.]]> 2017-08-05 17:49:19 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180174875 Primary Source: Katherine Hankins https://padlet.com/jcrobinson43/s5n91rkli167/wish/180183933 I have listed this as a primary source since it is actually CNN footage of the Challenger exploding.
https://www.youtube.com/watch?v=AfnvFnzs91s]]> 2017-08-06 02:31:53 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180183933 Secondary Source: Katherine Hankins https://padlet.com/jcrobinson43/s5n91rkli167/wish/180184009 Secondary source, because it gives a commentary thirty years later.
http://www.spacesafetymagazine.com/space-disasters/challenger-disaster/]]> 2017-08-06 02:38:39 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180184009 Tertiary source: Katherine Hankins https://padlet.com/jcrobinson43/s5n91rkli167/wish/180184067 Listed as tertiary due to being an encyclopedia article.
http://www.encyclopedia.com/history/united-states-and-canada/us-history/challenger-disaster]]> 2017-08-06 02:41:28 UTC https://padlet.com/jcrobinson43/s5n91rkli167/wish/180184067