Astronomy

Front 1

Sidereal Time

Back 1

timed from the motion of the earth (or a planet) relative to the distant stars (rather than with respect to the sun).

Front 2

Local Hour Angle

Back 2

East or West, the angle between the meridian of the celestial object and the meridian of the observer, LHA = GHA(of celestial object) - Longitude (of observer). SHA : Sidereal Hour Angle. 15 degeres

Front 3

Equatorial Mounting

Back 3

Device which allows one to point a telescope towards celestial objects.

Front 4

How many right ascension lines are there all around the sky

Back 4

24

Front 5

What is the number of the degrees between right ascension lines

Back 5

15 degrees

Front 6

Declination

Back 6

the angular distance of a point north or south of the celestial equator.

Front 7

Planetarium

Back 7

see stimulation of the night time sky

Front 8

Constellation

Back 8

group of starts forming a recognizable pattern

Front 9

How many constellations are there in the sky ?

Back 9

88

Front 10

What makes zodiacal constellations different from other constellations ?

Back 10

sun passes through them at a regular time

Front 11

The planetarium projects the motion of all nine planets in our solar system

Back 11

True

Front 12

Small Circle

Back 12

Circles that go through the earth North and South(Latitude)

Front 13

Great Circle

Back 13

Divides the planet in 2 halfs

Front 14

Prime Meridian

Back 14

Longitude of zero(Greenwich England

Front 15

How many miles is it from the surface of the earth to the center of the earth

Back 15

4,000

Front 16

Which layer of our atmosphere is closest to the ground

Back 16

Troposphere

Front 17

Where is 0 degrees of latitude

Back 17

Gulf of Guiana

Front 18

What is the shortest distance between two points on the surface of the Earth

Back 18

Arc/straight line

Front 19

The mantle of the earth is mostly

Back 19

heavy rocks

Front 20

the layer of atmosphere that can be used to reflect a radio wave is

Back 20

Ionsphere

Front 21

The ozone layer is located in the

Back 21

stratosphere

Front 22

Why does iron and nickel not melt when traveling through the center of the earth?

Back 22

High Pressure/The weight and gravity of the entire planet are keeping the iron solid.

Front 23

How long would it take you to travel through the earth ?

Back 23

42min 12 seconds

Front 24

lAYERS OF THE EARTH

Back 24

CRUST,MANTAL,CORE

Front 25

New MOON.

Back 25

the phase of the moon when itS CONNECTS with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent.

Front 26

Full Moon

Back 26

the phase of the moon in which its whole disk is illuminated.

Front 27

Blue Moon

Back 27

is an additional full moon that appears in a subdivision of a year: either the third of four full moons in a season, or a second full moon in a month of the common calendar.

Front 28

Sidereal Month

Back 28

the time it takes the moon to orbit once around the earth with respect to the stars

Front 29

Synodic Month

Back 29

The amount of time it takes for the lunar phases to cycle through one time and for the moon to return to the same position in the sky relative to the sun is known as the moon's synodic month, and it is 29.53 days in length. It's sometimes called the lunar month

Front 30

What time does the full moon rise

Back 30

6pm

Front 31

Where is the moon located so as to observe an eclipse of the sun

Back 31

between the earth and the sun

Front 32

Why does the full moon look large when it first rises

Back 32

Optical illusiion

Front 33

Moon craters were formed by

Back 33

Meteor Impact

Front 34

The moon rotates at the same rate it revolves

Back 34

True

Front 35

Tide

Back 35

The tidal levels and character which would result from gravitational effects, e.g. of the Earth, Sun and Moon.

Front 36

Harvest Moon

Back 36

Full moon that is seen near to the time of harvest

Front 37

What color is the surface of the moon

Back 37

grey

Front 38

How thick is the moon crust

Back 38

40 miles, thicker

Front 39

The moon gravity is about 1/5th as strong as the earth gravity

Back 39

True

Front 40

The interior of the moon contains

Back 40

liquid solid rock

Front 41

The crust of the moon is covered with

Back 41

basalt

Front 42

4 Theories

Back 42

1.Fission theory

2.Capture theory

3.Co-accretion theory

4. Giant impact hypothesis

Front 43

What theory is the most widley accpected

Back 43

Giant Impact theory

Front 44

Inferior planet

Back 44

whose orbits lie within Earth's orbit around the Sun: Mercury and venus

Front 45

Superior planets

Back 45

Mars, Jupiter,Saturn, Uranus, Neptune, and, historically, the former planet Pluto.

Front 46

Which planet is the only planet that rotates on its axis east to west

Back 46

Venus, urans

Front 47

Which planet is the brightest

Back 47

Venus

Front 48

Planet that looks similar to earth

Back 48

Mercury

Front 49

Planet that could float on water

Back 49

Saturn

Front 50

Blue green planet covered with methane,white clouds of nitrogen droplets

Back 50

Neptune

Front 51

Which planet is the double planet

Back 51

Pluto

Front 52

Which planet is covered with rust

Back 52

Mars

Front 53

Which planet radiates more energy than it receives from the sun

Back 53

Jupiter

Front 54

Asteroid Belt

Back 54

Is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets.

Front 55

Appllo asteroid

Back 55

are a group of near-Earthasteroids named after 1862 Apollo, the firstasteroid of this group which was discovered by German astronomer Karl Reinmuth in the 1930s

Front 56

Planetoid

Back 56

large rock size of state

Front 57

asteroid

Back 57

large rock up to several miles across

Front 58

meteoroid

Back 58

small rock down to the size of a dust particle

Front 59

metor

Back 59

meteoroid/asteroid that collides with earth.

hot

atmosphere

strokes of light

Front 60

meteroite

Back 60

metor that hits the ground

Front 61

tektite

Back 61

glass meteorites that may have come from the moon surface

Front 62

preside meteor shower

Back 62

august 10th-12th

Front 63

oort cloud

Back 63

is an extended shell of icy objects that exist in the outermost reaches of the solar system

The Oort Cloud is roughly spherical, and is thought to be the origin of most of the long-period comets that have been observed.

Front 64

Comet

Back 64

ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.

Front 65

where is asteroid belt located

Back 65

between jupiter and mars

Front 66

what size is most particles that produce meteros from earth

Back 66

football

Front 67

halley comet

Back 67

july 28th 2061

every 75 years

Front 68

on a average clear evening one can see a meter every

Back 68

10 mins

Front 69

Age of solar system

Back 69

4.5 billion-5billion old

Front 70

Age of the universe

Back 70

13.7 billion years old

Front 71

Close Encounter theory

Back 71

plantes were formed from material pulled out of the sun by another star that passed by the sun

Front 72

Nebular hypo theory

Back 72

planets were formed from material that formed the sun 5 billion years ago