The truth that the planet has moved along that orbit while it required to rotate as soon as is the reason for .

You are watching: If the star polaris has an altitude of 35°, then we know that

A) Precession

B) Seasons

C) The position of the Celestial equator

D) The difference in between solar and also sidereal time

E) Earth"s 23.5-degree tilt

The twelve constellations the solar system bodies move through space the


A) galactic equator

B) signs of the zodiac

C) equatorial constellations

D) nodes that the Ecliptic

E) step of heaven

When the Moon is straight opposite the sun in the sky, its step is .

A) an initial or 3rd quarter

B) full

C) wax or waning crescent

D) new

E) waxing or waning gibbous

When a planet"s orbit takes it closest to the Sun, it"s dubbed .

A) aphelion

B) crossing the ecliptic

C) vernal equinox

D) perihelion

E) no one of these; a planet"s street from the Sun never changes

Kepler"s very first law worked, where Copernicus" original heliocentric version failed, because Kepler defined the orbits together .

A) approximately the Sun, no the Earth.

B) complex, with epicycles come account for retrograde motions.

C) much bigger than Copernicus had envisioned.

D) Elliptical, no circular.

E) Both A and also C are correct.

The pressure of heaviness varies v the


A) product that the 2 masses.

B) train station of the street separating the 2 bodies.

C) inverse square that the distance separating the two bodies.

D) Both A and B space correct

E) Both A and also C are correct.

A earth orbits our sun at 4 time the distance of the planet (4 AU). The duration of that is orbit is:

A) 4 years

B) 8 years

C) 16 years

D) 64 years

Blackbody radiation native star A peaks at much shorter wavelength and has greater intensity than blackbody radiation from star B. This means:

A) Star A is relocating toward us and so is blue-shifted loved one star B.

B) Star A is moving away native us and so is redshifted relative to begin B.

C) Star A has actually a higher temperature 보다 star B.

D) Star A has actually a lower temperature 보다 star B.

The time because that the Moon to orbit Earth, loved one to the stars is .

A) 18 years, 11.3 work

B) 123 hours, 56 minutes

C) 29.5 days

D) around 7 days

E) 27.3 days

If the distance in between two asteroids is doubled, the gravitational pressure they exert ~ above each various other will .

A) 1/16 as great

B) also be doubled

C) be half as great

D) it is in one 4th as great

E) be four times greater

A one orbit would have an eccentricity the .

A) between 0 and also 0.5

B) infinity

C) in between 0.5 and 1

D) precisely 1.0

E) 0

The two develops of electromagnetic (E-M) radiation that endure the least atmospheric opacity room .

A) clearly shows light and radio waves.

B) ultraviolet and infrared waves.

C) microwaves and also radio waves.

D) X and gamma radiation.

E) clearly shows light and infrared waves.

That Polaris will certainly not constantly be the pole star is because of .

A) the sidereal job being much shorter than the solar day

B) the Solar winds punch the earth farther away from the Sun

C) precession moving the celestial pole

D) the Moon following the ecliptic, instead of the equator

E) the Earth"s revolution being slightly much less than exactly

What space constellations?

A) groups of stars make an noticeable pattern in the celestial sphere

B) old story boards, useless to contemporary astronomers

C) teams of stars gravitationally bound and appearing close with each other in the sky.

D) teams of galaxies gravitationally bound and also close with each other in the sky

E) obvious groupings the stars and planets clearly shows on a provided evening.

Electromagnetic radiation:

A) can behave both as a wave and also as a particle.

B) is the exact same as a sound wave

C) has only the nature of waves

D) has nothing in common with radio waves

E) can only travel in a thick medium

If the wavelength that a beam that light were to double, just how would that influence its frequency?

A) The frequency would be four times l

B) The frequency would be 2 times larger

C) The frequency would certainly be 2 times smaller

D) The frequency would be 4 times smaller

E) there is no relationship in between wavelength and frequency

Ultraviolet radiation is hard to observe mostly because:

A) Earth"s atmosphere quickly absorbs it

B) no space-based telescopes run at ultraviolet wavelengths

C) only the lowest-mass stars emit ultraviolet light

D) very few objects emit at ultraviolet wavelengths

An absorb spectrum is led to by:

A) Blackbody radiation

B) emission of photons at certain frequencies

C) absorb of electrons at specific frequencies

D) absorb of photons at certain frequencies

E) nobody of the above

The speed of irradiate in a vacuum is:

A) 300,000 m/s

B) 300,000 mph

C) 300,000 km/s

D) 300,000,000 mph

E) infinite

How execute the wavelength and also frequency the red light compare to the wavelength and frequency the blue light?

A) Red light has actually a much longer wavelength and greater frequency than does blue light.

B) Red light has actually a longer wavelength and also lower frequency 보다 does blue light.

C) Red light has a much shorter wavelength and higher frequency than does blue light.

D) Red light has a shorter wavelength and lower frequency 보다 does blue light.

Which that the adhering to lists different types of electromagnetic radiation in order of increasing wavelength?

A) radio waves, infrared, visible, ultraviolet, X-rays

B) gamma rays, ultraviolet, visible, infrared, radio waves

C) gamma rays, X-rays, infrared, visible, ultraviolet

D) X-rays, infrared, visible, ultraviolet, radio waves

E) radio waves, ultraviolet, visible, infrared, gamma ra

A red photon has a wavelength of 650 nm. An ultraviolet photon has a wavelength of 250 nm. The power of one ultraviolet photon is ________ 보다 a red photon.

A) 2.6 time larger

B) 6.2 time larger

C) 2.6 time smaller

D) 6.2 time smaller

Which old attempted to measure up the one of Earth? (and came really close come the modern-day value!)

A) Aristotle

B) Eratothenes

C) Plato

D) Aristarchus

Although Copernicus relocated the sun to the facility of the Solar System, the kept

A) planet at the center, just in a various place.

B) uniform motion.

C) circular orbits.

D) two of the above.

Which of the following did Galileo no observe?

A) The ring of Uranus

B) Sunspots on the Sun

C) The phases that Venus

D) The craters and mountains top top the Moon

If the star Polaris has actually an altitude of 35 degrees above the north horizon, then we know that:

A) ours longitude is +55 degrees.

B) ours latitude is +55 degrees.

C) our longitude is +35 degrees.

D) our latitude is +35 degrees.

Match the terms with their descriptions.

A) The imaginary aircraft that

intersect both the Earth and ____ Sun. In various other words, the airplane that the sun rests ~ above as watched from Earth.

B) The allude that extends indigenous ____ Earth"s phibìc pole out right into outer space.

C) The intersection that the Celestial ____ Equator and also Ecliptic Plane

during our spring time.

D) an imaginary plane that extends native the Earth"s equator right into outer space.

E) The longest work of the year.

1. Vernal Equinox

2. Summer Solstice

3. Celestial Equator

4. Ecliptic Plane

5. Phibìc Celestial Pole

A) 4. Ecliptic plane

B) 5 phibìc celestial pole

C) 1 vernal equinox

D) 3 Celestial equator

E) 2 Summer solstice

To view the largest variety of stars in one night, one would want to be in ~ ___.

A) the north pole

B) the south pole

C) 45 degrees north or southern of the equator

D) the equator

D) the equator

In old Egyptian times, ___ was the pole star.

a) Vega

b) Polaris

c) Betelguese

d) Thuban

d) Thuban

Ptolemy"s version of the universe was

a) geocentric

b) included circular orbits

c) included epicycles

d) every one of the above

d) every one of the above

The solar device does not contain ___.

a) planets

b) a star

c) Kuiper Belt objects

d) galaxies

d) galaxies

which that the complying with is FALSE?

a) A scientific theory is an undisputed fact.

b) If continuous testing that a hypothesis mirrors it to it is in valid, it may end up being an accepted theory.

c) A hypothesis must constantly have one or more testable predictions.

d) A scientific theory may ultimately be proven wrong as soon as scientists acquire new data.

a) A clinical theory is one undisputed fact.

Light indigenous the sun takes around ___ to with Earth.

a) 8 seconds

b) 8 minutes

c) 8 hours

d) 8 years

b) 8 minutes

One of the nearest stars to the sun is Alpha Centauri, whose distance is 4.4 irradiate years away. How long walk it take light to take trip from Alpha Centauri to Earth?

a) 1.25 secs

b) 8.3 minute

c) 4.4 years

d) 600 years

c) 4.4 years

Evidence has presented that the physical regulations of nature

a) readjust when objects move at high speed.

b) continue to be the exact same throughout the age of the universe.

c) depends on the mass of the objects involved.

d) are the same all over in the universe.

d) space the same everywhere in the universe.

A irradiate year is a measure of

A) none of the above.

B) speed.

C) mass

D) distance.

D) distance.

The language of scientific research is

a) Greek

b) mathematics

c) calculus

d) Java.

a) Greek

On the cosmic timeline compressed down to a solitary year, enhance each event to the approximate month that they occur.

__ Nov

__ May

__ Oct

__ Dec 31st, evening

a) the Milky means forms

b) the planet forms

c) complicated life creates humans 4. D) come right into existence

c : Nov

a : May

b : Oct

d : Dec 31st, evening

The fact that scientific transformations take place way that

(a) all the scientific research we understand is wrong.

(b) the science we recognize now is more correct than it remained in the past.

(c) every knowledge about the world is relative.

(d) the legislations of physics that govern the universe keep changing.

(b) the scientific research we know now is an ext correct 보다 it was in the past.

We are situated approximately

(a) in ~ the facility of the Milky Way.

(b) near the center of the Milky Way.

(c) around 2/3 native the facility of the Milky Way.

(d) in ~ the farthest outskirts that the Milky Way.

(c) about 2/3 native the center of the Milky Way.

Telescopes whereby a lens is that main element to form an image are referred to as

A telescopes. Telescopes that usage a mirror to form an image, and are an ext widely used, are referred to as B telescopes.

Refracting, reflecting

Radio telescopes space much larger than visual-wavelength telescopes because

(a) radio waves are smaller than intuitive wavelength light.

(b) the frequency the radio irradiate is much greater than the frequency of visible light.

(c) radio waves are higher energy waves 보다 visible light.

(d) radio waves are bigger than visual wavelength light.

(d) radio waves are larger than visual wavelength light.

Which 2 spectral windows space transparent in Earth"s atmosphere (that is, electromagnetic radiation in this region can conveniently reach the surface ar of the Earth)?

( ) radio

( ) far-infrared

( ) visible

( ) ultraviolet

( ) x-ray

Radio, x-ray

The solitary most necessary quantity that a telescope is

(a) its focal length length.

(b) that is magnification.

(c) its light gathering ability.

(d) the diameter that the eyepiece.

(c) its irradiate gathering ability.

Astronomers generally prefer a reflecting over a refracting telescope since

(a) of the lack of chromatic aberration.

(b) its less complicated to develop a huge mirror 보다 a equivalent size lens.

(c) mirrors are much easier to support than lenses.

(d) all of the over are precious reasons.

(d) all of the over are precious reasons.

The irradiate gathering strength of the Keck telescope (with the 10-m diameter mirror) is ___ 보다 that that a 2m showing telescope. (The numbers describe the diameter that the main mirror.)

(a) 25 times

(b) 10 times

(c) 8 times

(d) 100 times

(a) 25 time

The best method to view the center of the galaxy (i.e. Through a bunch that dust and also gas) is by utilizing a ___ telescope.

(a) x-ray

(b) visible irradiate

(c) infrared

(d) ultraviolet

(c) infrared

Telescopes differ in your precision of detail in one image, or the sharpness of one image. This attribute of a telescope is dubbed its .


Jupiter"s rotational axis is tilted 3 degrees with respect come its orbital plane. If Earth"s axis had actually this tilt (rather 보다 its 23.5 degree tilt), climate the periods on planet would be

(a) much an ext extreme

(b) much much less extreme

(c) would vary significantly from year to year

(d) not sufficient information to make a basic statement

(b) much much less extreme

Why is the summer solstice not the hottest job of the year (in the northern hemisphere)?

(a) The Earth"s precession balance out the seasons so that the hottest day and the summer solstice execute not enhance up anymore.

(b) the takes time because that the earth to warm up, so the is still getting warmer even after the summer solstice has actually passed.

(c) The earth is tho retaining warmth from the vault year"s summer solstice, so the sexy day will certainly precede the summer solstice this year and each succeeding year.

(d) The summer solstice is often linked with cloudy skies, therefore the earth will seldom reach the hottest point that very same day.

(b) that takes time for the earth to warm up, so it is still obtaining warmer even after the summer solstice has passed.

On which work of the year does the sunlight reach that northernmost suggest in the sky?

(a) Vernal equinox

(b) Summer solstice

(c) autumn equinox

(d) Winter solstice

(b) Summer solstice

Total eclipses of the Moon must happen at:

(a) new moon

(b) complete moon

(c) very first quarter

(d) last quarter

(b) full moon

As regarded from Earth, we constantly see the very same side that the Moon facing us. This means the Moon must take about how long to spin on its axis?

(a) around 24 hrs

(b) around one mainly

(c) about two weeks

(d) around a month

(d) around a month

Leap years happen because

(a) the Earth"s orbital period around the sunlight is decreasing.

(b) the Earth"s orbital duration is 365.24 days.

(c) the Gregorian calendar contains only 11 months.

(d) the Earth increases in that is orbit once it come closest come the Sun.

(b) the Earth"s orbital period is 365.24 days.

Why perform we not see a solar eclipse every month as soon as the Moon is new or a lunar eclipse every month as soon as the Moon is full?

(a) The Moon"s orbital plane is no perfectly aligned v the ecliptic, therefore the Moon won"t directly pass in prior of the sunlight or in the Earth"s zero every revolution.

(b) A solar and lunar eclipse actually does happen every brand-new or complete moon. However, the brightness of the Sun and also the dimness that the Moon make it really tough to tell that it"s happening as soon as it does.

(c) The Moon is too little to be watched blocking the end the Sun. So uneven the Moon is orbiting close to the Earth, we will certainly not check out an eclipse every brand-new or complete moon cycle.

(d) because the planet is revolving roughly the Sun and the Moon is revolving around the Earth, the Moon has to play "catch up" every lunar cycle. So us won"t see eclipses as often as the Moon revolves around the Earth.

(a) The Moon"s orbital plane is not perfectly aligned with the ecliptic, so the Moon won"t directly pass in prior of the sunlight or in the Earth"s shadow every revolution.

The strongest tides room ___ tides.

(a) high

(b) low

(c) spring

(d) neap

(c) spring

At about what time walk the complete Moon climb

a) 4 pm

b) sunset

c) midnight

d) sunrise

b) sunset

Kepler identified that the planets orbit the sun in ellipses with the sun located

A) in the center.

B) in ~ one focus.

C) in between the 2 foci.

D) no one of the over are correct.

B) at one focus.

The rela"onship in between the distance of a planet from the Sun and also its orbital duration is provided by

A) 2 E=mc .

B) Kepler"s second law.

C) the legislation of inertia.

D) Kepler"s 3rd law

When a turn ice skater pulls in your arms from an extended positon, they spin faster. This displayed the preservation of .

angular momentum

According come Newton"s 2nd Law, in a 2 object device (e.g. Star & planet, or van & person), the pressure on the smaller object is _______ the force on the bigger object.

a) larger than

b) smaller sized than

c) equal to

d) not connected to

c) equal to

The reaction pressure to the planet pulling on you is the force of the Moon ~ above you.

a) the pressure of the moon on friend

b) the pressure of friend pulling up on the Earth.

c) non-existent

d) the sunlight pulling on you

b) the force of friend pulling increase on the Earth.

If the sun were double as massive, the gravitational force in between the Sun and the planet would

a) to decrease by 4

b) decrease by 2

c) increase by 2

d) boost by 4.

c) rise by 2

If the distance between a star and also a planet was suddenly reduced in half, the attractive gravitational force would ___.

a) double.

b) triple

c) quadruple

d) change in a way unpredictable by any kind of equation.

c) quadruple

A direct result of Kepler"s second Law is

a) that planets orbit the sunlight in ellipses.

b) that planets relocate slower when close to the Sun.

c) that planets move slower when far from the Sun.

d) that planets may be ejected from the Solar System.

c) the planets relocate slower when much from the Sun.

The residential or commercial property of an object"s propensity to continue with their existing state that mo"on is referred to as .


Which of the adhering to proper"es of one astronaut alters when he/she is standing on the Moon, relative to when the astronaut is standing on Earth?

a) Weight

b) Mass

c) Inertia

d) all of the above

a) Weight

Which the the following is NOT an instance of a satellite of Earth?

a) The Moon

b) The Hubble Telescope

c) The Sun

d) interaction satellites

c) The Sun

As wavelength increases, the power of photon ___ and also its frequency ___.

a) increases; decreases

b) increases; boosts

c) decreases; decreases

d) decreases; increases

c) decreases; decreases

The chart illustrates a light source, a gas cloud, and also three different lines the sight. Follow me which heat of sight would certainly an observer see an absorption spectrum?

1) top left

2) upper right

3) right side

4) both upper

5) none of them

3) ideal side

Which of the complying with photons lug the the very least amount of energy?

1) a blue photon that the clearly shows spectrum, who wavelength is 450 nm

2) an infrared photon, whose wavelength is 1000 nm

3) a red photon in the clearly shows spectrum, whose wavelength is 700 nm

4) a microwave photon, who wavelength is 0.01meter

4) a microwave photon, whose wavelength is 0.01meter

The diagram illustrates a irradiate source, a gas cloud, and three various lines of sight. Along which line of sight would certainly an observer see emission spectrum?

1) top left

2) top right

3) appropriate side

4) both upper

5) nobody of them

2) top right

When an electron moves from a greater energy level in one atom come a lower energy level:

1) the atom is ionized.

2) a photon is emitted.

3) a continuous spectrum is emitted.

4) a photon is absorbed.

2) a photon is emitted.

The _____________ that a gas is a measure of the mean speed that the corpuscle in the gas.

1) ingredient

2) temperature

3) blueshift

4) binding energy

2) temperature

Stars usually exhibit:

1) an absorption spectrum.

2) a completely constant spectrum, doing not have absorption or emission lines.

3) an emission spectrum.

See more: Self-Inflating Balloons - Self Inflating Balloon Experiment

1) an absorb spectrum.

Which formula denotes just how the rate of irradiate is concerned its wavelength and frequency?

(a) c =λf

(b) c= wavelength/frequency

(c) c = frequency/wavelength

(d) c= 1/wavelength(frequency)

(a) c =λf

Rank the areas of the electromagnetic spectrum in order native longest wavelength to shortest. (longest=1, shortest=5)






__3__ visible

_2__ infrared

__1__ radio

__4__ x-ray

__5__ gamma ray

We deserve to see (with our eyes) light the varies in wavelength from around 400 nm to 700 nm. (T/F)