Mercury

Beschreibung

Mercury
Rebekkah  Gresh
Quiz von Rebekkah Gresh, aktualisiert more than 1 year ago
Rebekkah  Gresh
Erstellt von Rebekkah Gresh vor fast 9 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
In comparison to the planets in the solar system Mercury is:
Antworten
  • the smallest
  • the largest of the terrestrial planets
  • the largest
  • the smallest of the gas giants

Frage 2

Frage
Mercury is roughly the size of the Moon, though, slightly larger.
Antworten
  • True
  • False

Frage 3

Frage
Mercury has not yet been explored by any space probes.
Antworten
  • True
  • False

Frage 4

Frage
Describe Mercury's interior.
Antworten
  • Mercury has a large, semi-molten, iron-nickel core, a silicate mantle, and a thin, rocky crust.
  • Mercury has a small, solid iron-nickel core, a larger liquid outer core, a silicate mantle, and a rocky crust.
  • Mercury has a large, solid, iron-nickel core, a rocky mantle, and a rocky crust.
  • Mercury has a small, semi-molten, iron-nickel core, a large silicate mantle, and a thin rocky crust.

Frage 5

Frage
What is unique about Mercury's rotation?
Antworten
  • Mercury rotates backwards on its axis (clockwise) whereas all the other planets rotate counterclockwise.
  • Mercury "wobbles" as it rotates on its axis.
  • Mercury's axis is at a 90 degree angle, so it rotates on its side.
  • Mercury's rotation is experiencing tidal lock, which causing the same side of Mercury to face the Sun at all times.

Frage 6

Frage
1 year (the amount of time it takes Mercury to orbit the sun) on Mercury is shorter than 1 day (the time it takes to rotate once on Mercury's axis) on Mercury.
Antworten
  • True
  • False

Frage 7

Frage
Mercury has no magnetic field.
Antworten
  • True
  • False

Frage 8

Frage
What is unique about Mercury's orbit?
Antworten
  • It is the most elliptical orbit of any planet in our solar system.
  • It is the most circular orbit of any planet in our solar system.
  • It is perpendicular in comparison to other planets' orbits.
  • Mercury orbits backwards around the Sun, so it moves in a clockwise path.

Frage 9

Frage
Why does Mercury experience extreme temperature changes?
Antworten
  • Because it has no atmosphere to retain heat.
  • Because of Mercury's closeness to the Sun.
  • Because of Mercury's slow rotation causing long days and nights.
  • All of the above

Frage 10

Frage
Why does Mercury lack an atmosphere?
Antworten
  • Mercury lacks an atmosphere due to its small gravitational force.
  • Mercury lacks an atmosphere because the Sun burns off all gas before it can create an atmosphere.
  • Mercury lacks an atmosphere because it does not have a magnetic field to protect its atmosphere from the Sun.
  • Mercury lacks an atmosphere because it never developed one.

Frage 11

Frage
What evidence suggest that Mercury may have a partially molten, or molten interior?
Antworten
  • The presence of a magnetic field.
  • The odd "wobbling" of Mercury's rotation on its axis.
  • The high surface temperature indicates that there must be a partially-molten interior.
  • A and B are both correct.
  • A, B, and C are all correct.
  • A and C are correct.

Frage 12

Frage
While Mercury currently has a slow rotation, it probably rotated much faster in the past.
Antworten
  • True
  • False
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