SELECT SQL_CALC_FOUND_ROWS posting_id, rw1.node_name AS subject, rw2.node_name AS topic FROM posting, rewrite_sol_bm AS rw1, rewrite_sol_bm AS rw2 WHERE ota_id=101397 AND type=1 AND library_status=1 AND posting.subject_id=rw1.subject_id AND posting.topic_id=rw2.topic_id AND rw1.node_type=1 AND rw2.node_type=2 ORDER BY library_downloads DESC LIMIT 0, 20 Online TA Profiles - Homework Help from BrainMass
Online TA Profiles
Matthew Walker, PhD (IP)
OTA ID#: 101397

Education Experience: BSc, Physics, Western Illinois University, 1999
BSc, Philosophy, Western Illinois University, 1999
PhD (IP), Astronomy, University of Michigan, 2005
Focus of Study: Local Group galaxies, dark matter and structure formation.
Awards: Regents Fellowship
Work Experience: University of Michigan
2000-present
I teach undergraduate astronomy laboratory and discussion sections, and conduct my own research in progress toward my Ph.D.

Western Illinois University
1997-1998
I assisted in undergraduate physics labs.
Career Interests: Galaxies, Cosmology, Dark Matter
Outside Interests: Guitar and Literature.
Message to Students
and/or Parents:		 Understanding the process is more important than obtaining the correct answer.
Postings Answered: 6
Cumulative OTA Rating: 4/5  What is OTA Rating?
Top Solutions Downloads
  1. description of planet retrograde motion - How can planet retrograde motion be explained by the Earth-center hypothesis and by the Sun-center hypothesis
  2. calculating sidereal time - at what will the crab nebula cross the celestial median on March 12 and 13 2005. The right ascension is 05 31 30 and declination is 21 59 00.
  3. Astronomy 205 - 30 Multiple Choice Questions - 1. What happens when the gravity of a massive star is able to overcome neutron degeneracy pressure? a) The core contracts and becoms a white dwarf. b) Gravity is not able to over come neutron degene ...
  4. upward acceleration - Mass m1 (34.50 kg) is on a horizontal surface, connected to mass m2 (5.90 kg) by a light string. The pulley has negligible mass and no friction. A force of 220.9 N acts on m1 at an angle of 34.50 de ...
  5. Right ascension is discussed. - At what time will Galaxy -Cygnus A cross the celestial meridian (along north-south) direction on March 12 and 13 2005?