Broadcast 2516 (Special Edition)

29 Jul 2015 John Batchelor, Dr. David Livingston, Dr. Marc Rayman
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Guests: John Batchelor, Dr. Marc Rayman, Dr. David Livingston. Topics: Ceres bright spots, topography, Dawn Mission, & more. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Written Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright. We do not permit the commercial use of any Space Show program or part thereof, nor do we permit Space Show programs to be edited, placed on YouTube, or other private channels & websites. Space Show programs can be quoted in news articles, papers, academic & research work but must be cited or referenced in the proper citation format. Contact Dr. Livingston for questions about our copyright and trademark policies which we do enforce. This program is archived on The Space Show website, podcasting, and blog sites with permission from John Batchelor. Please visit the John Batchelor Show website for more information about this fine program, Remember, your Amazon Purchases Can Help Support The Space Show/OGLF ( For those of you listening to archives on & rating the programs, please email me the reasons for your rating. This will definitely help improve Space Show programming. Thank you. Please note that audio and transition issues are a result of copying the John Batchelor broadcast & are not within my control as they originate in the Batchelor studio. John Batchelor and I welcomed back Dr. Marc Rayman to the show to discuss the latest news coming back from the Dawn Mission regarding dwarf planet Ceres. We talked about the Ceres topography including the bright spots, the haze in crater Occator, the three mile high pyramid peak which may be remnants of a volcano, plus the dust layer over Ceres, ice, and oceans under the ice. Dr. Ryman talked about some of the processes that might have created these characteristics and conditions on Ceres but as you will hear, much is still unexplained. Dawn will make a close pass of Ceres at 900 miles from the surface in early August. Its closest pass will be in December 2015 at about 232 miles above the surface. Check out the new Dawn color coded topography map at You can email Mr. Batchelor or Dr. Rayman through me at



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