Extraterrestrial Life
What is extraterrestrial life?
Life that may exist or may have existed in the universe outside of Earth
How many planets in our solar system?
eight
How many moons are on our solar system?
There are 214 moons
Percentage of the visible universe that we have explored.
4%
Weight of the spacesuit and length of time to put it on
280 pounds and 45 minutes
Why do we think Mar is capable of hosting extraterrestrial life?
Because of the presence of underground water.
What planets emit their own internal heat?
Jupiter, Saturn and Neptune
What planets in our solar system have the most moon, how many?
Jupiter has the most, 79 moons.
The cost of a space shuttle launch.
$450 millions
Name America's first space station, which was longer than a 12-story building and contained almost 12,000 cubic feet of living space
Skylab
What would be a common experience shared between humans on earth and life on other planets?
Evolution/adaptation
What is the furthest planet flown by a man-made object, name the man-made object? (2 answer)
Neptune, voyager 2
What planets have the least moon, how many?
Mercury and Venus
The first rocket to reach space (in 1942).
German V2
The reported smell of the moon
burnt ashes or gunpowder
Explain the principle of mediocrity, and the most important assumption in this argument?
The principle of mediocrity argues for the existence of extraterrestrial intelligence. The most important assumptions in this argument are that (1) planets capable of spawning life are common, (2) biota will spring up on such worlds, and (3) the workings of natural selection on planets with life will at least occasionally produce intelligent species.
What material are gas giants made of?
Hydrogen and/or helium
Name the biggest moon.
Ganymede
Astronomers have found a massive ____ cloud which holds 140 trillion times the mass of ____ in the Earth somewhere around 10 billion light years away – making it the largest discovery of ____ ever found.
water
Speed a neutron star can spin
600 times per second
How many of the assumptions of the principle of mediocrity has been proven?
Only 1
Material making Saturn’s ring and their source?
billions of small chunks of ice and rock coated with another material such as dust from pieces of comets, asteroids or shattered moons that broke up before they reached the planet.
Distance from Earth to Moon.
238,900 mi
Name the first all-electric X-plane that will be flown to demonstrate the benefits that electric propulsion may yield for the future of aviation
X-57
Years until the Milky Way and Andromeda galaxies will collide
3.75 billion years