Question 2 Why did Vesta not get classified a dwarf planet? It is not spherical.

Question

Question 2

Why did Vesta not get classified a dwarf planet?

It is not spherical.

It is too close to the Sun.

There is already one dwarf planet in the asteroid belt.

It is not dense enough.

1.8 points

Question 3

Which of the following statements describes the location of these main belt asteroids?

A.They are beyond the orbit of Mars.

B.They are closer to the Sun than Jupiter.

C.They are between the orbits of Mars and Jupiter.

All of the above.

1.8 points

Question 4

Which of the following statements best describes the general orbital characteristics of the asteroids?

A. Many asteroids orbit the Sun near the plane of the ecliptic.

B.Asteroids can have elliptical orbits.

Asteroid orbits can be highly inclined to the plane of the ecliptic.

D. All of the above.

1.8 points

Question 5

Another difference between comets and asteroids is their orbital properties. What major difference exists between asteroid and comet orbits?

Comet orbits are more elliptical than asteroid orbits.

Comet orbits tend to be closer to the plane of the ecliptic than asteroid orbits.

Comet orbits have their aphelion closer to the Sun than asteroid orbits.

Comet orbits are more stable than asteroid orbits.

1.8 points

Question 6

Like most comets, Halley spends most of its time near aphelion far from the Sun. Assuming no major changes, what is the orbital period of Halley

A.

It is not spherical.

b.

It is too close to the Sun.

C.

There is already one dwarf planet in the asteroid belt.

D.

It is not dense enough.

Explanation / Answer

Why did Vesta not get classified a dwarf planet?

.

There is already one dwarf planet in the asteroid belt.

1.8 points

Question 3

Which of the following statements describes the location of these main belt asteroids?

.

C.They are between the orbits of Mars and Jupiter.

1.8 points

Question 4

Which of the following statements best describes the general orbital characteristics of the asteroids?

B.Asteroids can have elliptical orbits.

.

1.8 points

Question 5

Another difference between comets and asteroids is their orbital properties. What major difference exists between asteroid and comet orbits?

Comet orbits are more elliptical than asteroid orbits.

1.8 points

Question 6

Like most comets, Halley spends most of its time near aphelion far from the Sun. Assuming no major changes, what is the orbital period of Halley

.

.

C.

There is already one dwarf planet in the asteroid belt.

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