GENERAL GEOLOGY (EARTH VALUES)

Question 1

Astronomical Unit (Au)

Answer 1

150 Million Km

Question 2

Circumference of Earth

Answer 2

40,075 km

Question 3

Ave Distance of Moon to Earth

Answer 3

384,401 km

Question 4

Zodiac

Answer 4

A band in the sky on which the sun, moon and starrs move along

Question 5

Total number of constellation

Answer 5

88

Question 6

Brightest star in Orion located SE

Answer 6

Rigel (Blue White)
Beta Orionis

Question 7

Alpha Orionis

Answer 7

Betelgeuse (Red Supergiant)

Question 8

Stars located at the sword of Orion

Answer 8

Trapezium or Orion Nebula

Question 9

Brightest Star in Canis Majoris

Answer 9

Sirius

Question 10

Current North Star

Answer 10

Polaris

Question 11

Earth’s Equator:

Answer 11

Celestial Equator

Question 12

Earth’s Latitude:

Answer 12

Declination

Question 13

Earth’s Longtitude

Answer 13

Right Ascenision

Question 14

Vernal equinox

Answer 14

The point in the sky where the sun crosses the celestial equator at the onset of spring (Mar 21)

Question 15

1 Hour = how many dregees of earth’s Rotation?

Answer 15

15 degrees

Question 16

Rotation

Answer 16

Spinning of a body on its axis

Question 17

Revolution

Answer 17

the motion of body along a path around a point in space

Question 18

Axial Precession

Answer 18

the gradual change of the orientation of Earth’s Axis or the wobble

Question 19

Mean Solar Day

Answer 19

24 Hrs the time interval from one noon to the next

Question 20

Noon

Answer 20

the time when the sun has reached its highest point in the sky

Question 21

Sidereal Day

Answer 21

the time its takes for earth to complete a rotation relative to a reference star other the sun. Measured by conunting the time interval for a star to reappear on the same position in the sky

Question 22

length of sidereal day

Answer 22

23Hrs 56 mins 4 secs

Question 23

Mean Earth Speed

Answer 23

107000 Km/hr

Question 24

Distance from Earth to su

Answer 24

150 M km or 1 astronomical unit

Question 25

Perihelion

Answer 25

147 M km on Jan 3

Question 26

Aphelion

Answer 26

152 M km on July4

Question 27

Ecliptic

Answer 27

Apparent annual path of the sun against the backdrop of celestial sphere or simply the apparent orbit of the sun

Question 28

The alternate North Star due to precession that changes every 26,000 years

Answer 28

Vega

Question 29

The time it takes for the sun to complete ts revolution around the galaxy

Answer 29

230 Million Years at 250 km per second

Question 30

Mean distance of Moon toEarth

Answer 30

384,401 km

Question 31

Synodic Month

Answer 31

29.5 days
Apparet lunar revolution

Question 32

Sidereal Month

Answer 32

27 1/3 days
True revolution and Rotation of Moon around Earth

Question 33

FACT

Answer 33

Moon Rotation and Revolution is equal that is the same lunar hemisphere is always seen on Earth

Question 34

Solar Eclipse

Answer 34

New Moon Phase, Moon Casts shadow on Earth

Question 35

Lunar Eclipse

Answer 35

Full Moon Phase, Moon pases on the shadow of Earth

Question 36

Minimum number of eclipse in a year

Answer 36

4

Question 37

Maximum number of eclipse in a year

Answer 37

7

Question 38

Max duration of Lunar Eclipse

Answer 38

4 hours

Question 39

Max duration of Solar Eclipse

Answer 39

7minutes only

Question 40

Dark part of a shadow

Answer 40

Umbra

Question 41

Light Part of a shadow

Answer 41

Penumbra

Question 42

Kepler’s Law of Planetary Motion

Answer 42

1) Elliptical Orbits
2) Law of Equal Area
3) Harmony of the worlds - Orbital period is proportional to their mean solar deistance