Ice sheets/Quiz

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This is the leading hemisphere of Europa. Credit: NOAA.

Ice sheets is a lecture as part of the astrogeology series on rocky objects.

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Quiz[edit | edit source]

  

1 True or False, Complex organic compounds in the geysers of Enceladus is a good indicator of possible life.

TRUE
FALSE

2 Complete the text:

Previously, the tiger stripe regions were found to be expelling

of water-ice, fueling speculation that

seas might occur

Enceladus' frozen exterior.

3 True or False, The leading hemisphere is the hemisphere facing the direction of the orbital motion; the trailing hemisphere faces the reverse direction.

TRUE
FALSE

4 The cryosphere of Europa is likely to include which of the following?

water in solid form
sea ice
rain
lake ice
river ice
snow cover
glaciers
ice caps
ice sheets

5 True or False, Enceladus may be a cold version of Io.

TRUE
FALSE

6 The science of the behavior of frozen snow is called

7 Chemistry phenomena associated with Europa are

water
clay
organic compounds
silicates
plastic

8 Complete the text:

With respect to Europa, dark brown areas represent

material derived from the

, implanted by

, or from a

of interior and exterior sources.

9 Complete the text:

Match up the astroglacial object with each of the possibilities below:
ice cap - A
optical characteristics of sediment suspensions - B
water in solid form - C
behavior of frozen snow - D
ice sheets - E
ice knobs - F
cryopediology

.
lake Veitastrondsvatn

.
Callisto

.
cryosphere

.
Antarctica and Greenland

Vatnajökull, Iceland

.

10 Complete the text:

Match up the object with the image:
Callisto - A
Vatnajökull, Iceland - B
the Cryosphere - C
Antarctica - D
Ganymede - E
Europa - F

.

.

.

.

.

11 Which of the following is not an astronomical cryosphere?

Vatnajökull, Iceland
the last ice sheets in Europe and North America
the icy shell of Europa
the photosphere
frozen snow
ice sheets are in Antarctica and Greenland

12 True or False, During the last glacial period of Europa the Laurentide period ice sheet covered much of the mitten.

TRUE
FALSE

13 Which of the following is not an astronomical characteristic of ice?

an albedo as high as 80%
thin water frost deposits
ice knobs
tidal heating events
surface is composed of water ice and is one of the smoothest in the Solar System
the bright rays on the surface of Europa

14 Yes or No, The tidal flexing of the ice on Europa may have heated the interior and strained the lithosphere, leading to the development of cracks and horst and graben faulting, which erased the old, dark terrain on 70% of the surface?

No
Yes

15 Yes or No, The tidal flexing of the ice on Enceladus may have heated the interior and strained the lithosphere, leading to the development of cracks and horst and graben faulting, which erased the old, dark terrain on 70% of the surface?

No
Yes


Hypotheses[edit | edit source]

Main article: Hypotheses
  1. There are volcanoes on Europa.

See also[edit | edit source]

External links[edit | edit source]

{{Radiation astronomy resources}}

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