Astronomy 2

Front 1

Correct sequence of the planet in solar system

Back 1

M,V,E,M,J,S,U,N

Front 2

Which planet fits the following description "a planet with a very hot, solid, cratered surface with no atmosphere

Back 2

Mercury

Front 3

Which layer of earths atmosphere does weather

Back 3

Troposphere

Front 4

Overall shape of orbits of most of the planets

Back 4

Slightly elliptical but mostly circular

Front 5

Callous basin

Back 5

multi ringed impact basin on Mercury

Front 6

Surface of Mercury is difficult to see from earth

Back 6

remain relatively close to sun in sky

Front 7

Reflecting telescopes which light is reflected by one curved mirror and one second plane mirror at 45 degrees

Back 7

Newtonian Focus

Front 8

Name given to constillation of mass formed at center of solar nebula becoming sun

Back 8

protosun

Front 9

Light passes from ait into dense but transport material it

Back 9

slow down

Front 10

Albedo of planet is the fraction of energy reflected by the whole planet

Back 10

including atmosphere and surface

Front 11

Great mountain range of earths have been produced by

Back 11

collisions between tectonic plates

Front 12

Greenhouse effect is happening of infrared radiation

Back 12

from earth by the atmosphere

Front 13

Telescope uses a lens as a main optical

Back 13

Element refracting telescope

Front 14

2 ranges of electromagnetic radiation for which Earths atmosphere is

Back 14

reasonably transparent

Front 15

How many moons of jupiter were seen by Galileo

Back 15

4

Front 16

The person who compiled the largest set of accurate observations of planetary positions that formed the basic for proving that planets move in elliptical orbits around the sun was

Back 16

Tycho Brahe

Front 17

An ideal blackbody in physics and astronomy is an object

Back 17

absorbs and emits electromagnetic radiation at all

Front 18

The term sidereal month

Back 18

Time over which the moon completes one orbit around Earth, relatives to the stars

Front 19

What is the phase of the moon during a total solar eclipes

Back 19

NEW

Front 20

A star with KA=4h is in your meridian at a certian time. Which of the following stars with be your meridian 2.5 hours from now

Back 20

KA=6h30m

Front 21

Newtons 2nd law

Back 21

body acted on by a force will accelerate constantly while the force is is applied

Front 22

The Earths shadow falling on the moon is the reason for

Back 22

lunar eclipse

Front 23

Doppler Effect

Back 23

The wavelength of lights is shifted to a shorter wavelength

Front 24

Ecliptic cross the celestial equator at

Back 24

2 points know as the equinox

Front 25

The word plane in Greek means

Back 25

Wanderer

Front 26

Ptolemys model for Solar System was

Back 26

Earth Centered with epicyclical planetary orbit

Front 27

According to Newtons 3rd law, if a force is acting on an object then

Back 27

There must be some other force acting on a different object with the same magnitude but in an opposite direction

Front 28

Before the invention of telescope the known planet were

Back 28

Mercury Venus Mars Jupiter and Saturn

Front 29

The specific colors of light emitted by an atom in a hot, thin gas

Back 29

Electrons jumping to lower energy levels losing energy as they do so.

Front 30

Radio waves travel through speed at what speed

Back 30

The speed of LIGHT!

Front 31

The Apparent path of the freaking sun across our sky day by day throughout the year is know as

Back 31

ecliptic

Front 32

The line on the sky joining the north and south celestial poles through a person zenith is known as

Back 32

Meridian

Front 33

The celestial equators is defined as

Back 33

The line in the sky that perpendicular to the earths spin axis

Front 34

In Greek Era

Back 34

Earth was at the center of the universe

Front 35

The basic makeup of an atom is

Back 35

small negatively charged particles orbiting around a central positive charge

Front 36

In modern astronomy the constellations are

Back 36

88 regions of sky covering the entire sky

Front 37

Precession

Back 37

a very slow conical motion of the earths axis of rotation

Front 38

Keplers first law, planet move around sun in

Back 38

elliptical with sun at one focus

Front 39

The term synodic month refers to

Back 39

The time from new moon to new moon

Front 40

When we watch the night sky we find

Back 40

stars and constellations slowly rise in the east pass overhead and pass in the west

Front 41

At the summer solstice in northern hemisphere the sun

Back 41

reaches highest angle above the southern horizon

Front 42

The first person to show el

Back 42

Kepler

Front 43

Visible wavelengths

Back 43

400-700

Front 44

Which of the following is the correct sequence of appraches of moon phases in the sky

Back 44

Waxing cresent, first quarter, waxing gibbons, full moon

Front 45

The phenomenon of pallax is the

Back 45

change in apparent position of a nearby object as the observer moves

Front 46

the parameter of an atom that defines its unique position in the periodic table is

Back 46

the number of protons in the nucleus

Front 47

what is the maximum length of totality for a lunar eclipse

Back 47

1 hour 40 minutes

Front 48

At what approximate time does a full moon rise

Back 48

sunset

Front 49

Nicolas Copernicus was the 1st person to

Back 49

develop a mathematical model for sun centered

Front 50

An apparent westward motion of a planet from night to night compared to the background stars is refereed to as

Back 50

retrograde

Front 51

Newtons first law

Back 51

if force is acting on an object the object speeds and travel

Front 52

A person standing in the moons penumbra will see a

Back 52

partial solar eclipes

Front 53

The time fot the moon to rotate around its own

Back 53

1 month

Front 54

Who was the first astronomer to use a telescope

Back 54

Galileo

Front 55

The moon produces tidal disturbances on oceans

Back 55

Two high and two low tides per day

Front 56

The two angles used by astronomers to define the position of a star in the sky and define a coordinate system applicable anywhere on earth

Back 56

right ascension and declination

Front 57

What is the phase of the moon during total lunar eclipse

Back 57

Full

Front 58

An atom that has had one or more electrons removed

Back 58

an ion

Front 59

What is the maximum time of totality for any total solar eclipse observed from earth

Back 59

about 7.5 minutes

Front 60

At what point in its orbit is a comet closest to the sun

Back 60

perihelion

Front 61

Kepler's 3rd law P

Back 61

P2=a3

Front 62

Seconal Variations on planets surface occour

Back 62

Planets axes of spin is tilted with speed perpendicular to the orbital plane

Front 63

Ozone

Back 63

A molecule made of 3 oxygen atoms

Front 64

Rotation period of moon on its axis

Back 64

27.3 days

Front 65

One orbit around the sun, mercury rotates

Back 65

1.5 times

Front 66

interior of mercury contains

Back 66

an iron core that occupies a large fraction of the volume of the overall planet and produces inf.

Front 67

EMF generated

Back 67

by electric current in Earths field

Front 68

Planets fit the following description cool solid surface with an atmosphere of n2 and o2 and h2o clouds

Back 68

Earth

Front 69

Who built and used first telescope

Back 69

Galileo

Front 70

Earth has an average density

Back 70

55 times that of water

Front 71

Mid Atlantic ridge in

Back 71

earths crust is a region where 2 tectonic plates are slowly spreading apart

Front 72

When solar winds approach mercury

Back 72

is guided around the planet by its magnetic force

Front 73

Mercury 59 day sidereal rotation period

Back 73

measured in 1965 using radar

Front 74

Main reason for building large optical telescope

Back 74

to collect more light from faint object

Front 75

Waves that geologists and geophysicists use that probe the inside of earth

Back 75

seismic waves

Front 76

in one observatory site is described as having seen more than another site

Back 76

less air turbulence, causing less