Astronomy

6 years ago

Astronomy has shown us that the Earth

Astronomy has shown us that the Earth
A) occupies a special location in the universe so that life elsewhere is unlikely
B) is the only planet in the universe with any kind of life
C) is the only planet in the universe with advanced lif

adreamer 89 1 Reply

6 years ago

A habitable world is defined to be one that

A habitable world is defined to be one that
A) is identical to the Earth
B) is in orbit about a solar-type star
C) has an atmosphere
D) has conditions suitable for life

adreamer 61 2 Replies

6 years ago

The molecular building blocks of life have been found

The molecular building blocks of life have been found
A) only on the Earth
B) on the Earth, in interstellar clouds, and in meteorites
C) on the Earth and in meteorites
D) on the Earth and on Mars

adreamer 61 2 Replies

6 years ago

Beneath the surface of which moon of Jupiter is there the strongest evidence for the existence of a ...

Beneath the surface of which moon of Jupiter is there the strongest evidence for the existence of a subsurface ocean of liquid water?
A) Io
B) Callisto
C) Europa
D) Ganymede

adreamer 94 2 Replies

6 years ago

Currently, our best hope of finding life on extrasolar worlds is

Currently, our best hope of finding life on extrasolar worlds is
A) by interstellar travel
B) by searching with telescopes
C) by listening to extraterrestrial radio broadcasts
D) contact with alien visitors to the Earth

adreamer 68 2 Replies

6 years ago

The scientific discipline of astrobiology is

The scientific discipline of astrobiology is
A) one of the oldest branches of science
B) a relatively young branch of science
C) a similar age to other fundamental disciplines like physics and chemistry
D) a hypothetical branch of

adreamer 79 1 Reply

6 years ago

The modern view of our place in the universe suggests that life elsewhere may be

The modern view of our place in the universe suggests that life elsewhere may be
A) this view gives us no clue of the likelihood of life elsewhere
B) rare
C) common
D) at the center of another, parallel universe

adreamer 77 2 Replies

6 years ago

The ancient view of an Earth-centered geocentric universe suggested that life elsewhere should be

The ancient view of an Earth-centered geocentric universe suggested that life elsewhere should be
A) common
B) rare
C) this view gives us no clue of the likelihood of life elsewhere
D) at the center of another, parallel universe

adreamer 140 1 Reply

6 years ago

Historical evidence suggests that the methods of modern science were originated by the

Historical evidence suggests that the methods of modern science were originated by the
A) Mayans
B) Egyptians
C) Greeks
D) Babylonians

adreamer 84 1 Reply

6 years ago

Most ancient cultures believed that the Earth was

Most ancient cultures believed that the Earth was
A) spherical and moving through space
B) flat and moving through space
C) spherical and motionless
D) flat and motionless

adreamer 64 2 Replies

6 years ago

Careful observations of the sky by ancient cultures served the practical purpose of

Careful observations of the sky by ancient cultures served the practical purpose of
A) keeping track of time
B) improving night vision
C) religious worship
D) keeping track of the changing position of the Earth around the Sun

adreamer 91 1 Reply

6 years ago

Which of the following was NOT a contribution made by the Greeks in the development of modern ...

Which of the following was NOT a contribution made by the Greeks in the development of modern science?
A) The willingness to challenging new ideas
B) The use of mathematics to explore new ideas
C) The willingness to discard ideas if th

adreamer 75 2 Replies

6 years ago

In science, conceptual representations of observed phenomena are referred to as

In science, conceptual representations of observed phenomena are referred to as
A) facts
B) hypotheses
C) models
D) beliefs

adreamer 67 1 Reply

6 years ago

The geocentric model of the Greeks consisted of a

The geocentric model of the Greeks consisted of a
A) flat Earth at the center of the universe surrounded by a dome-shaped sky
B) flat Earth at the center of the universe surrounded by a celestial sphere
C) spherical Earth at the center

adreamer 117 1 Reply

6 years ago

Which of the following is NOT a planet visible to the naked eye?

Which of the following is NOT a planet visible to the naked eye?
A) Saturn
B) Neptune
C) Mercury
D) Jupiter

adreamer 82 2 Replies

6 years ago

The seven days of the week are related to the

The seven days of the week are related to the
A) Sun, Moon and five naked eye planets
B) seven brightest stars in the sky
C) seven planets known at the end of the 19th century
D) seven most prominent constellations that the Sun, M

adreamer 59 1 Reply

6 years ago

Most of the time, planets are observed to

Most of the time, planets are observed to
A) be stationary with respect to background stars
B) move eastward with respect to background stars
C) move due south with respect to background stars
D) move westward with respect to back

adreamer 118 2 Replies

6 years ago

Apparent retrograde motion occurs when a planet appears to

Apparent retrograde motion occurs when a planet appears to
A) be stationary with respect to background stars
B) move eastward with respect to background stars
C) move due north with respect to background stars
D) move westward wit

adreamer 79 1 Reply

6 years ago

The Ptolemaic model has planets moving in

The Ptolemaic model has planets moving in
A) elliptical orbits about the Sun
B) a simple circle about the Earth
C) a simple circle about the Sun
D) small circles, the centers of which move in a larger circle about the Earth

adreamer 100 2 Replies

6 years ago

In the Ptolemaic model, retrograde motion is due to

In the Ptolemaic model, retrograde motion is due to
A) relative motion between the Earth and another planet in its orbit
B) the Earth reversing the direction of its orbit about the Sun
C) a planet moving backwards in its smaller circul

adreamer 112 1 Reply

6 years ago

The first person to suggest that the Earth moved around the Sun was

The first person to suggest that the Earth moved around the Sun was
A) Aristarchus
B) Newton
C) Copernicus
D) Galileo

adreamer 66 2 Replies

6 years ago

In the heliocentric (Sun-centered) model, apparent retrograde motion is due toA) relative motion ...

In the heliocentric (Sun-centered) model, apparent retrograde motion is due to
A) relative motion between the Earth and another planet in its orbit
B) the Earth reversing the direction of its orbit about the Sun
C) a planet moving in a

adreamer 109 1 Reply

6 years ago

Stellar parallax provides concrete proof that the

Stellar parallax provides concrete proof that the
A) Earth rotates on its axis
B) Earth is roughly spherical
C) Earth moves around the Sun
D) Moon moves around the Earth

adreamer 379 1 Reply

6 years ago

Which Greek school of thought believed that life on Earth was unique?

Which Greek school of thought believed that life on Earth was unique?
A) the Aristotelians
B) the Platonists
C) the stoicists
D) the atomists

adreamer 76 1 Reply

6 years ago

Copernicus (Multiple Choice Question)

Copernicus
A) provided strong observational evidence that the Earth moved about the Sun
B) proved that the orbital shapes of the planets were ellipses and not circles
C) was the first person to suggest the Earth moved around the Sun

adreamer 60 2 Replies

6 years ago

One fundamental consequence of the Copernican model which many people had difficulty accepting at ...

One fundamental consequence of the Copernican model which many people had difficulty accepting at the time it was proposed was that the Earth
A) must be moving through space
B) was rotating on its axis
C) must be stationary in space

adreamer 80 1 Reply

6 years ago

Tycho Brahe (Multiple Choice Question)

Tycho Brahe
A) developed a theory of gravity to explain the motions of the planets
B) obtained the first observational evidence suggesting the Earth moved about the Sun
C) showed that the orbits of the planets were ellipses and not cir

adreamer 68 1 Reply

6 years ago

Johannes Kepler (Multiple Choice Question)

Johannes Kepler
A) developed a theory of gravity to explain the motions of the planets
B) obtained the first observational evidence suggesting the Earth moved about the Sun
C) made detailed measurements of the motions of the planets in

adreamer 79 2 Replies

6 years ago

A planet is furthest from the Sun in its elliptical orbit when it is at

A planet is furthest from the Sun in its elliptical orbit when it is at
A) apogee
B) aphelion
C) perigee
D) perihelion

adreamer 60 1 Reply

6 years ago

Kepler's Second Law of planetary motion states that

Kepler's Second Law of planetary motion states that
A) an imaginary line joining the Sun and planet sweeps out equal areas in equal times
B) the further a planet is from the Sun, the faster it moves in its orbit
C) the further a p

adreamer 114 1 Reply

6 years ago

Kepler's Third Law of planetary motion states that

Kepler's Third Law of planetary motion states that
A) the further a planet is from the Sun, the faster it moves in its orbit
B) an imaginary line joining the Sun and planet sweeps out equal areas in equal times
C) the further a pl

adreamer 95 1 Reply