Science Quiz / Space Systems 3

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Name the two orbital parameters that define ‘geostationary‘orbit (not geosynchronous)
How many geostationary satellites do you need to give full Earth coverage?
What does the Acronym TTC stand for?
Which particle is the most common constituent of Cosmic Radiation?
Name the 2 most commonly used reference planes in astrodynamics
Give another reason why an equatorial launch site is preferable.
Which of the following is technically the hardest planet to send a spacecraft to? Mercury, Mars, Jupiter, Venus
What is the tabulation of power losses and gains in a communications system called?
What type of orbit would you choose for a communications satellite to cover Alaska? a) a sun-synchronous orbit b) a geostationary orbit c) a molniya orbit
State the definition of emissivity, ε
What, approximately, is the total equivalent velocity change required to reach Earth Orbit, including all losses?Remember units, use ^ for powers.
How do we measure the orbital position of a satellite?
Name a factor perturbing Keplerian orbits around the Earth
Which two factors determine the velocity change produced by a rocket operating with no external forces acting?
Name another factor perturbing Keplerian orbits around the Earth
Which of the below is the typical launch g load experienced by a satellite? a) 4.5 g b) 2.5 g c) 1.5 g
For which of the following mission tasks are electric propulsion systems suitable? Launch, hohmann transfer impulses, station keeping
A satellite in circular earth orbit has a speed of 7.9 kms-1. What -v is required to change its inclination by 30º?Remember units, use ^ for powers.
State a typical SI range for Solid rocket motorsRemember units, use ^ for powers.
Give a reason why an equatorial launch site is preferable.
Give an example of the type of problems associated with operating a satellite caused by the high vacuum environment
Which of the following is not a Electrothermal propulsion system? Arcjet, ion engine, resistojet

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Created Mar 29, 2011ReportNominate
Tags:note, space, system

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