Instruments of Astronomy
What technique dramatically increases the resolution of radio telescope images by combining data from multiple telescopes?
interferometry
What is the path on the celestial sphere that the sun follows in a year?
Ecliptic
An unmanned spacecraft launched specifically to explore the unknown
space probe
The speed at which a spacecraft must be traveling to leave Earth's gravity without using its rockets anymore
Escape velocity
What type of orbit is perpendicular to the equator?
polar orbit
What is the color sequence of visible light arranged from lowest to highest frequency called?
Visible spectrum
The sun's northernmost and southernmost points on the ecliptic are called
Solstice
The first spacecraft designed to be reused
space shuttle
At what point in its orbit does an Earth orbiting satellite travel the fastest?
when it is closest to the earth
A satellite stays above the same point on the earth's surface in a _____ orbit.
geostationary orbit
What instrument increases an object's brightness by gathering more light than the unaided eye?
Telescope
What is the mean solar time at the Prime Meridian?
UTC
Name the first mission to land a man on the moon
Apollo 11
A satellite equipped with special devices to detect radiation that cannot penetrate Earth's atmosphere
astronomical satellite
What maneuver allows a space craft to steal a planet's motion, thus increasing its speed and orbit as it flies past?
gravity assist
What is formed by ordering all types of electromagnetic waves by increasing frequency and decreasing wavelengths?
Elecromagnetic spectrum
What type of time is based on the stars?
Side real time
Name the first artificial satellite to orbit the earth
Sputnik 1
What type of satellites are the satellites of the Global Positioning System?
astronomical satellite
Name the type of satellites help defend countries against attack and can photograph foreign installations
Military satellites
A telescope that uses a large, curved mirror as the objective
reflecting telescope
What is the replacement of A.D. that has become popular among those who deny the deity of Jesus?
C.E
Name the first space station designed so that it could be expanded?
Mir
Name the type of orbit does a satellite cross the equator at the same local mean solar time on every orbit
sun-synchronous orbit
What orbit is the most fuel efficient way for a spacecraft to move between orbits
Hohmann transfer orbit