Quiz 1

Question 1

— latitudes on celestial sphere, measured in degrees.

Answer 1

Declination (DEC)

Question 2

0 degrees

Answer 2

Celestial Equator

Question 3

0 to +90 degrees

Answer 3

Northern Hemisphere

Question 4

0 to -90 degrees

Answer 4

Southern Hemisphere

Question 5

— longitudes on celestial sphere, measured in hours, minutes, seconds. (0 to 24 hours)

Answer 5

Right Ascension (R.A.)

Question 6

0 hour RA
(March 21)

Answer 6

Vernal (spring) equinox

Question 7

12 hours RA
(September 22)

Answer 7

Autumnal Equinox

Question 8

Path of sun around earth on the celestial sphere.

Answer 8

Ecliptic

Question 10

Angle between ecliptic and celestial equator is?

Answer 10

23.5 degrees

Question 11

Highest point of ecliptic

Answer 11

Summer Solstice (June 21)

Question 12

equal hours of day and night

Answer 12

Equinox

Question 13

Unequal hours of day and night

Answer 13

Solstice

Question 14

Region within which the celestial object never sets from the sky. (Circling the pole)

Answer 14

Circumpolar region

Question 15

A celestial object within this region never rises above the horizon

Answer 15

Never ruse region

Question 16

Lens Equation

Answer 16

f=u*v/u+v

Question 18

Lens Equation

—focal length of a lens
(Fixed for a lens)

Answer 18

f

Question 19

Lens Equation

— object distance
(Lens to object distance)

Answer 19

u

Question 20

Lens Equation

—image distance
(Image to distance)

Answer 20

v

Question 23

Lowest point of ecliptic

Answer 23

Winter Solstice (December 22)