Kamchatka Peninsula, Russia is shown in this MISR Mystery Quiz #15 captured by NASA's Terra spacecraft.

Here's another chance to play geographical detective! This natural-color image was acquired by the Multi-angle Imaging SpectroRadiometer (MISR in July 2003, and represents an area of about 355 kilometers x 463 kilometers. Most of the landmass pictured in this image falls within a named geographic region. This region is defined by its political boundaries within a larger country, and may be a state, a province, a department, or similar entity. These 6 questions refer to this geographic region. You may use any reference materials you like to answer them.

1. Averaged over the entire geographic area of the region, which is larger?
(A) The average number of people per square kilometer.(B) The average number of volcanoes per 1000 square kilometers.

2. Which is closer to the image area?
(A) The nearest point along the path of annularity of the first solar eclipse of 2003.
(B) The location where a cargo ship spilled tens of thousands of bathtub toys during rough seas in the early 1990s.

3. Which is smaller?
(A) The population of the region at the beginning of the 18th century.
(B) The population of the region at the beginning of the 20th century.

4. Which occurred earlier?
(A) Completion of a monument commemorating the seafarer who founded what is now the regional capital city.
(B) The attack on the port of the city and defense of the port by a 44-gun frigate.

5. Which is smaller?
(A) The number of masts of the ship upon which the aforementioned seafarer sailed during the last voyage of his or her lifetime.
(B) The number of animals first identified and named after the naturalist who sailed with the seafarer.

6. Within the region, which is further north?
(A) The main military base.
(B) The most important lake-environment spawning ground for anadromous fish.

E-mail your answers, name (initials are acceptable if you prefer), and your hometown by Tuesday, October 7 to suggestions@mail-misr.jpl.nasa.gov.

Answers will be published on the MISR Quiz page. The names and home towns of respondents who answer all questions correctly by the deadline will also be published in the order responses were received. The first 3 people on this list who are not affiliated with NASA, JPL, or MISR and who have not previously won a prize will be sent a print of the image.

A new "Where on Earth...?" mystery appears as the "latest featured MISR image" approximately once every two months. New featured images are released on Wednesdays at noon Pacific time on the MISR home page,http://www-misr.jpl.nasa.gov. The image also appears on the Earth Observatory, http://earthobservatory.nasa.gov/, and on the Atmospheric Sciences Data Center home page, http://eosweb.larc.nasa.gov/, though usually with a several-hour delay.

MISR was built and is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Office of Earth Science, Washington, DC. The Terra satellite is managed by NASA's Goddard Space Flight Center, Greenbelt, MD. JPL is a division of the California Institute of Technology.

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