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ICESat 3

Here is a short quiz about the ICESat mission. All of the answers can be found on our GLAS/ICESat web site. Press the grade button to see how you did.

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1: The very low temperatures and long period of darkness in the polar regions
improve detection techniques used in satellite observations
limit standard satellite techniques
decrease our understanding of weather in polar regions and therefore Earth’s climate
2: Cloud height structures
are not adequately obtained by present techniques
can be adequately measured by satellites presently
are not important to the ICESat studies
3: The atmospheric observations from the ICESat GLAS instrument are important for the understanding of:
plant growth
whale migration
Earth’s climate
4: The profiles of land surface elevation studies from GLAS will be used directly for solving a variety of problems in:
surface geology and hydrology
5: The pattern of sub-satellite tracks of ICESat will be repeated every
30 days
183 days
365 days
6: During ICESat’s lifetime it will study
changes in land elevation
changes in ocean density
changes in Earth’s temperature