Description : The celescial sphere A. is a real sphere surrounding Earth upon which the stars, sun, moon and planets reside B. is a real sphere because the stars, sun, moon and planets all have the same ... sphere because the stars, sun, moon and planets all have different distances from Earth E. C and D
Answer : C. is an imaginary sphere surrounding Earth upon which the stars, sun, moon and planets appear to reside
Description : If you observe the sky for several hours during a particular night, you will observe A. the star Polaris remaining stationary at your zenith. B. the celestial sphere spinning from west to east. C. the ... the stars. E. the moon change position slightly from east to west with respect to the stars.
Answer : D. the moon change position slightly from west to east with respect to the stars.
Description : We see the annual change of the sky, because A. Earth rotate about its axis B. the celestial sphere rotates around Earth once a year C. Earth revolves around the sun D. satrs move in the sky E. none of the above, there is no annual change of the sky
Answer : C. Earth revolves around the sun
Description : We see the daily motion of the sky because A. The earth rotate about its axis D. satrs are moving in the sky B. the celestial sphere rotates around the earth E. clouds are moving C. The earth revolves around the sun
Answer : A. The earth rotate about its axis
Description : When originally discovered, how were planets such as Pluto distinguished from the multitude of stars in the sky? w) The planets appear to be bigger than stars x) The planets are brighter than most stars y) The planets move relative to the stars z) The planets are close to the ecliptic
Answer : ANSWER: C -- THE PLANETS MOVE RELATIVE TO THE STARS
Description : Compared to our galaxy, how big is our solar system? The solar system is... A. extremely tiny. B. about one-tenth of the galaxy. C. about one-third of the galaxy. D. over half of the galaxy.
Description : The celestial equator is A. a line around the sky directly above Earth’s equator. B. the path that the sun appears to follow on the celestial sphere as Earth orbits the sun. C. the dividing line between the north and south celestial hemispheres. D. A and B. E. A and C.
Answer : E. A and C.
Description : What causes the season here on planet Earth? A. The tilt of Earth's axis. B. periodic changes in the heat retention of the Earth's atmosphere. C. The elliptical orbit of the moon. D. because of ... the solar and lunar cycles. E. the Earth's elliptical orbit brings it closer and farther from the sun.
Answer : A. The tilt of Earth’s axis.
Description : What phase would be the Earth appear to be in if you were standing on the moon at New Moon? A. New. D. Waxing gibbous. B. Crescent. E. Full. C. Only the moon can show phases.
Answer : E. Full.
Description : 1 AU is defined as A. the distance between the earth and the sun. B. the distance between the sun and the nearest star. C. the distance between the sun and the moon. D. 1 light year. E. the time required for light to travel between the earth and the sun.
Answer : A. the distance between the earth and the sun.
Description : If the moon were two times closer to the Earth, the gravitational force between them would be A. 0 B. 1/4 as strong C. half as strong D. twice as strong E. 4 times as strong
Answer : E. 4 times as strong
Description : The angle that the full moon takes up in the night sky is equal to which of the following values? w) 1/8 degree x) 1/2 degrees y) 1 degree z) 2 degrees
Answer : ANSWER: X -- 1/2 DEGREE
Description : The Milky Way Galaxy A. is a fairly large galaxy, but is not unique. B. contains about one-hundred billion stars. C. contains our sun, which is located about two-thirds of the way from the center to the edge. D. none of above. E. a, b and c.
Answer : E. a, b and c.
Description : Galileo’s telescopic discoveries of mountains on the moon and spots on the sun were controversial because they suggested that the sun and moon A. were the same kind of object. C. did not orbit Earth. E. orbited each other. B. were inhabited. D. were not perfect.
Answer : D. were not perfect.
Description : How large is the Milky Way Galaxy? A. It is the largest galaxy ever observed. B. It takes up over half of the known universe. C. It cannot be measured or compared. D. It is very small when compared to the universe
Description : Each day, from a point on the earth north of the equator, most stars appear to A. remain stationary overhead. D. move to the north. B. rise in the east and set in the west. E. move to the south. C. rise in the west and set in the east.
Answer : B. rise in the east and set in the west.
Description : Each day, the moon is rises about A. at the same time. C. It depends on the season. E. an hour earlier. B. It depends on the year. D. an hour later.
Answer : D. an hour later.
Description : The third quarter moon rises A. at about noon. C. at sunrise E. never rises B. at sunset D. at about midnight
Answer : D. at about midnight
Description : Which planet has a moon almost as big as the planet itself?
Answer : ANSWER: PLUTO
Description : When does the full moon set? A. at sunset. B. at noon. C. it never rises. D. at midnight. E. at sunrise.
Answer : E. at sunrise.
Description : The principle use of dividing the sky up into constellations today is to A. identify regions and/or designate positions for objects in the sky. B. allow historians to recall and/or identify the ... the stars. D. allow astrologers to predict the future. E. prohibit stars from crossing the borders.
Answer : A. identify regions and/or designate positions for objects in the sky.
Description : A white dwarf has a mass of roughly one solar mass but a size of about: w) a basketball x) a car y) Lake Michigan z) the Earth.
Answer : ANSWER: Z -- THE EARTH
Description : If the sun were a grapefruit in this room, the nearest star (Proxima Centauri) would be A. more-or-less another grapefruit on the West Coast. B. a poppyseed about 15 m away. C. a peppercorn about 100 m away. D. more-or-less another grapefruit on the other side of campus. E. a creampuff at Bart’s.
Answer : A. more-or-less another grapefruit on the West Coast.
Description : Circle the letter of the answer that correctly describes Jupiter's mass. a. 800 times as massive as the sun b. b. the same mass as the sun c. c. 2 and one half times greater than the mass of all of the other planets and moons combined d. the same mass as all of the other planets and moons combined
Answer : c. 2 and one half times greater than the mass of all of the other planets and moons combined
Description : Absolute zero degree is A. zero degrees Celsius. B. the temperature at which water freezes. C. the temperature at which atoms have no remaining energy from which we can extract heat. D. both A and B. E. none of the above.
Answer : C. the temperature at which atoms have no remaining energy from which we can extract heat.
Description : The sun has a surface temperature of approximately 5800 K. At what wavelength does the maximum energy radiated by the sun occur? A. 5800 nm B. 300 nm C. 174 nm D. 500 nm E. 3000 nm
Answer : D. 500 nm
Description : Which of the following does not describe an acceleration: A. a car travelling with constant speed around a bend. B. A car increasing speed on a straight road. C. A car travelling with constant speed on a straight road. D. a planet orbiting around the sun. E. none of the above.
Answer : C. A car travelling with constant speed on a straight road.
Description : Which planets can never be in opposite direction from the Sun in earth's sky?
Answer : ANSWER: VENUS AND MERCURY
Description : How many arcminutes are there in one degree? A. 1 B. 24 C. 60 D. 360 E. 3600
Answer : C. 60
Description : Objects X and Y have the same size; object X has a temperature of 200 degree Kelvin, whereas object Y has that of 400 degrees. A. Object Y emits 2 times more radiation than object X. B. Object Y ... 16 times more radiation than object X. E. Object Y emits the same amount of radiation as object X.
Answer : D. Object Y emits 16 times more radiation than object X.
Description : Newton concluded that some force had to act on the moon because A. a force is needed to keep the moon in motion. B. a force is needed to pull the moon outward. C. the moon moved at a constant velocity. D. a force is needed to pull the moon away from straight-line motion. E. all of the above.
Answer : D. a force is needed to pull the moon away from straight-line motion.
Description : How is the atmospheric pressure of Mars as compared to the atmospheric pressure of the earth? Is it: w) about the same as the earth's x) about 100 times as great as the earth's y) about 1/200th that of the earth's z) half as much as that of the earth's
Answer : ANSWER: Y -- ABOUT 1/200th THAT OF THE EARTH'S
Description : Approximately how long does it take for the moon to go through all of its phases? a. 24 hours b. b. 12 hours c. c. 30 days d. 365 days
Answer : c. c. 30 days
Description : Most of the fungi commonly observed are members of this group of fungi, which includes toadstools, mushrooms and puffballs. This group of fungi is known as: a) Phycomycetes (pron: fI-kO-my-seats) b) Ascomycetes ... ) c) Basidomycetes (pron: beh-sid-E-O-my-seats) d) Plyocetes (pron: ply-O-seats)
Answer : ANSWER: C -- Basidomycetes
Description : Data from Voyager II indicate that previous estimates of Triton's size were in error. It is now known that Neptune's largest moon is w) nearly the size of Mars x) half the size of Mercury y) twice the size of the Earth's moon z) even larger than previously thought
Answer : ANSWER: X -- HALF THE SIZE OF MERCURY
Description : What does the retrograde motion of Neptune's moon Triton indicate about its origin?
Description : The precession of the Earth refers to the: w) change from night to day. x) Earth's motion around the sun. y) change in orientation of the Earth's axis. z) effect of the moon on the Earth's orbit.
Answer : ANSWER: Y -- CHANGE IN ORIENTATION OF THE EARTH'S AXIS.
Description : Northern Hemisphere summers are hotter than Northern Hemisphere winters because A. earth is closer to the sun during the summer. B. the snow that falls in the northern latitudes cools Earth during the winter. ... the period of sunlight is longer during the summer than during the winter. E. C and D.
Answer : E. C and D.
Description : Winter days are colder than summer days, because A. the Earth’s elliptical orbit brings it farther from the sun in winter B. days are shorter in winter C. winter sunlight is more spread out D. both B and C E. none of the above
Answer : D. both B and C
Description : The time interval between two successive occurrences of a specific type of alignment of a planet (or the moon) with the sun and the earth is referred to as: w) a conjunction x) an opposition y) a sidereal period z) a synodic period.
Answer : ANSWER: Z -- A SYNODIC PERIOD (conjunction and opposition are names of specific configurations)
Description : If light takes 8 minutes to reach the earth from the sun and 5 hours to reach Pluto, what is the distance from the sun to Pluto? A. 5 AU B. 37.5 AU C. 37.5 ly D. 5 ly E. 0.6 ly
Answer : B. 37.5 AU
Description : A light-year can be defined as A. the distance that light travels during the time that the earth revolves around the sun once. B. the distance between the sun and the nearest star. C. the distance ... earth and the sun. E. the time require for light to travel between the sun and the nearest star.
Answer : A. the distance that light travels during the time that the earth revolves around the sun once.
Description : A Galactic year is the length of time that it takes our sun to orbit the galaxy. In Earth years, how long is a Galactic year? w) 100 million years x) 230 million years y) 620 million years z) 940 million years
Answer : ANSWER: X -- 230 MILLION YEARS
Description : The sun is A. a star. D. all of the above. B. 1 AU from Earth. E. none of the above. C. more than 100 times the diameter of Earth
Answer : D. all of the above
Description : What lies at the center of our solar system? a. the sun b. b. Mars c. c. Earth d. the moon
Answer : a. the sun
Description : The group of constellations through which the sun passes as it moves along the ecliptic is called the A. deferent B. celestial equator C. equinox D. zodiac E. retrograde loop
Answer : D. zodiac
Description : The Phythagoreans appear to have been the first to have taught that the Earth is: w) at the center of the Universe. x) spherical in shape. y) orbits around the sun. z) flat with sharp edges.
Answer : ANSWER: X -- SPHERICAL IN SHAPE.
Description : A small cluster of stars appear, after many decades of observation, to be converging toward a common point in the sky. Does the light from these stars show a: w) red Doppler shift x) blue Doppler shift y) no Doppler shift
Answer : ANSWER: W -- RED DOPPLER SHIFT
Description : For mapping purpose, the Earth is divided into two equal halves by an imaginary line called the equator. Likewise, the sky is divided into two equal halves by an imaginary line called the A. celestial equator. ... . C. line of nodes. D. zodiac. E. none of the above. Neither are divided equally.
Answer : A. celestial equator.
Description : What does a Hertzsprung-Russell (H-R) diagram show. a. the location of stars in the sky b. b. the absolute magnitude and temperature of the stars c. the apparent magnitude and temperature of the stars c. the absolute magnitude and mass of stars
Answer : b. b. the absolute magnitude and temperature of the stars