Show:
Topic 1 and 2
Topic 3 and 4
Topic 5 and more
Topic 6
Topic 8
100
This measures the altitude.
What is an astrolabe?
100
A device made of thousands of closely spaced slits through which light is passed in order to produce a spectrum.
What is diffraction grating?
100
A method of measuring distance indirectly by creating an imaginary triangle between an observer and an object whose distance it to be estimated.
What is triangulation.
100
GPS stands for this.
What is global positioning system?
100
This is why they designed a new space shuttle.
What is cost efficiency?
200
1. Sun Centered 2. Earth Centered You must get both of these to get the point.
What is 1. heliocentric 2. geocentric
200
A technology that electronically connects two (or more) separate telescopes to combine their images.
What is Interferometry?
200
Johannes Kepler came up with this.
What is elliptical orbits?
200
This orbit is 36 000 km above the earth.
What is geosynchronus orbit?
200
This is Canadian's contribution to space exploration.
What is Canadarm.
300
This determines the fineness of detail a telescope can produce of an object in view.
What is resolving power?
300
Karl Jansky did this.
What is discover radio waves.
300
Distance to planets is measured in this.
What is Astronomical units?
300
This is the reason that stars twinkle.
What is refraction in the atmosphere?
300
This important event occured in 1977.
What is the American and Soviets suggested a joint mission?
400
The two lenses in a telescope.
What is ocular and objective?
400
A signal from an astronomical radio source.
What is VLBI - (Very Long Baseline Interferometry)
400
The distance to stars is measured in...
What is light years?
400
These have a higher exhaust velocity.
What is Liquid fuels?
500
This was Galileo's observations of the solar system.
What is supported Copernicus's model of the solar system (sun centered).
500
These are advantages of radio telescopes.
What is see through dust, see more parts of the electromagnetic spectrum, work day and night?
500
This is a method of acceleration that enables a spacecraft to gain extra speed.. like a "slingshot".
What is gravitational assist.
500
These are the functions of a satellite.
NAME FUNCTIONS
500
This is the year that the first man landed on the moon. He/She was...
What is Neil Armstrong 1969?