Quiz 5

Created by laceydearls 

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Which planets do NOT have one or more natural satellites (moons) orbiting them?

Mercury and Venus

The steps in which the large, outer planets formed were

accretion of planetesimals to form a core, followed by gravitational capture of hydrogen and helium gas.

In order of increasing density, the large, outer planets would be listed as

Saturn, Uranus, Jupiter, and Neptune

Which planet of our solar system has the highest mass?

Jupiter

The smallest terrestrial planet is

Mercury

In our solar system, which of the following planets is NOT a member of the terrestrial group?

Jupiter

What name is given to the concentration of mass that formed at the center of the solar nebula, and eventually became the Sun?

the Protosun

The most likely mechanism for the solar system is that

the Sun and planets slowly condensed to their present form from a gas and dust cloud.

At what point in time do we say that the protosun became the Sun?

C) When thermonuclear fusion reactions began at its center.

The birthplace of the Sun and planets (and of other stars and maybe their planets) is thought to have been

in cool gas and dust clouds

Where in the universe are heavy elements, with masses greater than that of helium, being produced at this time?

In the central cores of stars

The correct sequence of planets in our solar system, from the Sun outward, is

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

The asteroid belt exists between the orbits of which planets?

Mars and Jupiter

The average density of the large, outer planets is

close to the density of water

The most abundant material in the universe is

Hydrogen

The manner in which the terrestrial planets formed was

accretion of solid planetesimals containing mostly rocky material.

Most of the planets orbit the Sun on or close to

the ecliptic plane

Which is the largest planet in our solar system?

Jupiter

The largest of the terrestrial planets is

Earth

The overall shape of the orbits of most of the planets in the solar system is

slightly elliptical but nearly circular

Which planet or planetary group occupies the next orbital position beyond Saturn?

uranus

In our solar system, which of the following planets is a member of the terrestrial group?

mars

The smallest planet in our solar system is

mercury

Compared to the orbital distance of Earth from the Sun, the equivalent orbital distances for the outer planets are

greater than 5 times

Which planet in our solar system has the lowest average density?

Saturn

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