Welcome to DCR's Web Space!

Here you will find links to my research, teaching, and other items of possible interest. I update these pages as often as I can, but not as often as I would like. I am solely responsible for the content, and any opinions expressed on these pages are my own.

Use the menu bar at the top to navigate these pages. There are also shortcuts to frequently accessed content in the sidebar to the left.

What's New?

  • 9/29/19: I'll be teaching a course on birdwatching in Spring 2020 (HONR268G)!
  • 4/27/19: I've updated my CV and reprints page.
  • 4/4/19: I'll be teaching ASTR415 and ASTR615 together in Fall 2019!
  • 1/5/19: I'll be teaching ASTR220 again in Spring 2019!
  • 4/18/18: I'll be teaching ASTR415 in Fall 2018!
  • 4/12/18: DART passed its Preliminary Design Review!
  • 11/6/17: I'll be teaching ASTR220 (not 320!) in Spring 2018!
  • 3/27/17: I'll be teaching ASTR615 in Fall 2017 and, tentatively, ASTR320 in Spring 2018!
  • 1/15/17: Check out the new DART web page!
  • 3/28/16: I'll be teaching the ASTR120/121 sequence AGAIN next academic year!
  • 1/29/16: Our paper on the DART spacecraft (part of the AIDA mission) is now published!
  • 7/28/15: Redesigned ASTR121 lab materials are now available for interested instructors.
  • 6/16/15: I'll be teaching the ASTR120/121 sequence again next academic year!
  • 5/29/15: I am co-chairing a working group for the AIDA space mission currently under study.
  • 8/7/14: Our five granular dynamics papers are now all published or in press!
  • 3/11/14: All web pages brought up to date, including new content in the gallery.
  • 2/11/14: I updated my CV.
  • 12/10/13: The new OSIRIS-REx website is live!
  • 8/28/13: Check out a 1-billion-data-point visualization of one of our simulations!
  • 8/19/13: I am on sabbatical from Sep 1, 2013 to Aug 31, 2014.
  • 6/13/13: A new image sequence of my named asteroid has been posted!

Recent News


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