Space Environment
This high altitude compound can chemically erode spacecraft surfaces
What is atomic oxygen?
This orbit parameter specifies the angular position of a spacecraft in is motion about a planetary body
What is the true anomaly?
It is the simplest thruster type and is often used in positioning applications
What are cold gas thrusters?
It is the type of electronic junction used within solar voltaic cells
What is the P-N junction?
NASA was sued in 1997 for trespassing on this planetary body
What is Mars?
This problematic type of electromagnetic radiation is filtered by ozone within earth's atmosphere
What is ultraviolet radiation?
It describes the angle an orbit makes in relation to the an equatorial orbit
What is the inclination?
It is the parameter used to compare thruster performance which balances thrust power and weight
What is specific impulse?
It is the most common type of battery used in space applications
What are lithium-ion batteries?
NASA was issued this citation from Orbital Development Corp. for landing on asteroid EOS 433
What is a parking ticket?
Poor thermal control and material degassing are consequences of this space environmental factor
What is space vacuum?
It is the magnitude of the radial component of velocity which occurs at periapsis and apoapsis
What is zero?
This type of thruster uses electrostatic potentials to accelerate propellent and is a promising long distance mission propulsion system
What is a gridded ion thruster?
The solar panel assembly and battery sizes are all engineered for this condition during the mission
What is the end-of-life (EOL)?
Over 2,200 of these have been sent to space since 1959 by the United States alone
What are animals?
This space environmental factor causes spacecraft surface charging which can lead to catastrophic arcs damaging components.
What is plasma?
It is the most efficient orbital transfer maneuver
Hydrazine is a common fuel used in these types of thrusters
What is a mono-propellent thruster or chemical thruster?
1,358 W/m^2
What is the sun's average power output onto Earth's surface?
NASA uses 15 digits of pi to calculate the position of this spacecraft to within 1.5 inches
What is Voyager 1?
Is the coefficient that specifies a materials ability to block space radiation
What is the mass attenuation coefficient?
It is the name given to the maximum distance away that an observer on a planet can observe a transiting satellite
What is slant range?
The term used to describe a duel fuel system that spontaneously ignites upon mixing
What is hypergolic?
It is the name given to the area within a solar panels P-N junction where light is converted to electricity
What is the depletion zone?
In 2013, an Olympic torch completed one of these while aboard the international space station
What is a space walk?