All staffed space missions except lunar missions have been this
What is LEO
100
First to theorize ?that the Earth and other planets ?actually revolved about the Sun
Who is Copernicus
100
describes the roundness of an orbit. It describes the shape of the ellipse in terms of how wide it is
What is eccentricity
100
______was discovered in 1774 by Joseph Priestley in England and two years earlier, but unpublished, by Carl W. Scheele in Sweden. Scheele heated several compounds including potassium nitrate, manganese oxide, and mercury oxide and found they released a gas which enhanced combustion.
What is Oxygen
100
What you must do to find how much energy is needed
to travel from one orbit to another?
What is "find total energy of each and find the difference"
200
Achieved by placing satellite at altitude where orbital period exactly equals one day.
What is GEO orbit
200
Lectured at University of ?Copenhagen
Responsible for gathering a wealth of accurate planetary motion measurements
Who is Tycho Brahe
200
describes the size of the ellipse. It is half of the largest diameter of the orbit.
What is the Semi-Major Axis
200
The United Nations estimates that there are at least _______ shipwrecks on the ocean floors. Lost, destroyed, or deliberately sunk, these wrecks are of interest to divers, underwater archaeologists, and treasure hunters alike.
What is 3 million
200
The equation for Gravitational Potential Energy
What is " U=-(GMm/R)
300
It allows long-term communications over northern Russian land mass
What is Molniya orbit
300
Proposed that planetary orbits?were elliptical
Who is Johannes Kepler
300
defines the point in an orbit that is farthest from Earth.
What is Apogee
300
RCA demonstrated its “all-electronic” color system for the first time on October 9th, ______. The test was also broadcast on WNBT, and because RCA's system was compatible with existing black and white television sets, viewers were able to watch the demonstration (in black and white, of course)
What is 1951
300
prevents any claims of possession made for outer space or bodies
What is space law
400
Satellite will eventually pass over all of Earth
What is Polar
400
From Kepler’s work, deduced the existence of an inverse square law attractive force
Proposed Theory of Universal Gravitation
Who is Newton
400
In _______ orbit, apogee altitude and perigee altitude are the same.
What is Circular
400
If Coca-Cola followed that FDA proposal, a label of a 2-liter bottle would have to say _____ Calories right on the front of the package.
What is 800
400
UN Conference of Disarmament's (CD) goal was to reduce ______ in space.
What are Weapons
500
Groups of satellites in various orbits working together to accomplish the mission
What is a Constellation
500
Member of the Royal Society
Debated Newton on facts?about orbital mechanics
Who is Robert Hooke
500
is the angle between the Earth’s equatorial plane and the plane of the orbit
What is inclination
500
__________ is the province located the farthest west in Canada
What is British Columbia
500
A research satellite (10000kg) is orbiting earth at an altitude of 450km. The researchers want their satellite to be at an altitude of 600km to take some specific pictures. How much energy is needed for this orbit change? (REarth=6.3x10^3km; MEarth=5.98 x 10^24kg)