Place and Time

Question 1

A two dimensional coordinate system in which two number lines are drawn perpendicular to each other and the origin is assigned at the point of intersection. A third dimension may be taken in the z direction

Answer 1

Cartesian Coordinate System

Question 2

Imaginary lines encircling the Earth parallel to the equator

Answer 2

Parallels

Question 3

Imaginary lines drawn along the surface of the Earth running from the geographic North Pole to the geographic South Pole perpendicular to the equator

Answer 3

Meridians

Question 4

Any circle on the surface of a sphere. It applies especially to imaginary circles in the Earths surface that pass through both the north and south pole

Answer 4

Great Circle

Question 5

The angular measurement in degrees north or south of the equator for a point on the surface of the earth

Answer 5

Latitude

Question 6

The angular measurement in degrees east or west of the reference meridian, known as the prime meridian for a point on the surface of the earth

Answer 6

Longitude

Question 7

The reference meridian of longitude, which passes through the old royal Greenwich observatory near London

Answer 7

Prime Meridian

Question 8

The elapsed time between two successive crossings of the same meridian by the sun

Answer 8

Solar Day

Question 9

The elapsed time between two successive crossings of the same meridian by a star other than the sun.

Answer 9

Sidereal Day

Question 10

The time at the central prime meridian

Answer 10

Greenwich Mean Time

Question 11

The international time standard based on time kept by atomic clocks

Answer 11

Coordinated Universal Time

Question 12

The meridian that is 180 degrees east or west of the Prime meridian

Answer 12

International Date Line

Question 13

Time advanced one hour from standard time adopted during the spring and summer months to take advantage of longer evening daylight hours and save electricity

Answer 13

Daylight Saving Time

Question 14

The angle measured from the horizon to a celestial object in the sky a above

Answer 14

Altitude

Question 15

The complementary angle of the altitude; it is the angle between the zenith and an object in the sky

Answer 15

Zenith Angle

Question 16

The farthest point of the suns latitude north of the equator around June 21

Answer 16

Summer Solstice

Question 17

The farthest point of the suns latitude south of the equator, around December 22

Answer 17

Winter Solstice

Question 18

The point where the sun crosses the celestial equator from north to south, around September 22

Answer 18

Autumnal equinox

Question 19

The point where the sun crosses the celestial equator from south to north around march 21

Answer 19

Vernal equinox

Question 20

The time interval from one vernal equinox to the next

Answer 20

Tropical Year

Question 21

The time interval for the earth to make one complete revolution around the sun with respect to any particular star other than the sun

Answer 21

Sidereal Year

Question 22

The reformed Julian calendar or our present day calendar

Answer 22

Gregorian Calendar

Question 23

The slow rotation of the axis spin of the earth around an axis perpendicular to the ecliptic plane. The rotation is clockwise as observed from the north celestial pole

Answer 23

Precession