Earth-orbit astronomy is a lecture of radiation astronomy courses project that may be included in courses like principles of radiation astronomy.

File:Exosat002.jpg
This exploded view of the EXOSAT satellite shows the instruments and the principal spacecraft subsystems. Credit: ESA, Brian G. Taylor and others on the EXOSAT programme.

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Quiz

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1 A U.S. government project conducting research into the firing of high-velocity projectiles high into the atmosphere using a two stage light gas gun, with the ultimate goal of propelling satellites into Earth orbit was called

.

2 Complete the text:

Match up the altitude region with its altitude:
troposphere - A
stratosphere - B
mesosphere - C
thermosphere - D
exosphere - E
58 to 68 km

.
surface to between 8,000 and 18,000 m

.
143 km to 153 km

.
10,818 to 10,828 km

.
818 km to 828 km

.

3 Which of the following are associated with the Earth's radius?

the delta of the Mississippi river is higher than its source
a unit of distance in astronomy and geology
falls between the equatorial maximum and the polar minimum
the geoid length
a balloon
McMurdo Station
Greenland

4 True or False, The Saturn V put Skylab into Earth orbit.

TRUE
FALSE

5 Which of the following are theoretical radiation astronomy phenomena associated with a satellite in orbit around the Earth?

background radiation
a charged particle wind which emanates out of a beam line
gravity
near the barycenter for the Earth-Moon system
swirls of tan, green, blue, and white in the water
electric arcs
chlorophyll-containing phytoplankton aloft in the upper atmosphere

6 Complete the text:

Match up the altitude with its concept:
altitude - A
meters above sea level - B
indicated altitude - C
absolute altitude - D
true altitude - E
height - F
pressure altitude - G
density altitude - H
altitude in terms of distance above a certain point

masl

.
usually a vertical distance measurement

.
altitude in terms of the density of the air

.
the altimeter reading

.
altitude in terms of air pressure

.
altitude in elevation above sea level

.
distance above the ground directly

.

7 Which of the following are observatories on Earth?

Chandra X-ray Observatory
Big Bear
TRACE
Kodaikanal
the Hubble
Lomnický štít
McMath-Pierce
SOFIA

8 Yes or No, A sunrise may be detected by an airborne observatory.

Yes
No

9 Which of the following are observatories on Earth?

Chandra X-ray Observatory
Giza Pyramids
TRACE
Tuorla Observatory
the Hubble
Aldershot Observatory
Stonehenge
SOFIA

10 True or False, A sunrise may be detected by an Earth-orbit observatory.

TRUE
FALSE

11 Complete the text:

Match up the item letter with each of the possibilities below:
Balloons - A
Sounding rockets - B
Aircraft assisted launches - C
Orbital rocketry - D
Shuttle payload - E
Heliocentric rocketry - F
Exploratory rocketry - G
Lunar rover - H
Ranger 5

microcalorimeter arrays

.
MeV Auroral X-ray Imaging and Spectroscopy

.
Lunokhod 2

.
ALEXIS

.
Ulysses

.
Broad Band X-Ray Telescope

.
Solar Heliospheric Observatory

.

12 Yes or No, A Low Earth Orbit (LEO) is 6,530 to 8,370 km distant from the center of the Earth.

Yes
No


Hypotheses

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  1. Earth-orbit astronomy from sufficient altitude should be able to almost replace sounding rockets.
  2. The much lower cost of balloons or sounding rockets keeps them as a value.

See also

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{{History of science resources}}