on April 22, 2022
Why is Callisto so heavily cratered?
Space and AstronomyCallisto is the most heavily cratered of all of Jupiter’s satellites. The density of the craters indicates that they were produced about four billion years ago, when all the bodies of the solar system came under heavy cometary and meteoroid bombardment. Why is Callisto so cratered? Callisto’s rocky, icy surface is the oldest and most
on April 22, 2022
What are algebraic models?
Space and AstronomyAn algebraic model uses a set of algebra equations to precisely describe a situation. Constructing such models is a fundamental skill required by US standards for both math and science. It is usually taught with algebra word problems. How do you find the algebraic model? Video quote: So we've represented the algebraic expression x squared
on April 22, 2022
What is the postulate of a triangle?
Space and AstronomyThe sum of the angles of a triangle is two right angles. This postulate is equivalent to the parallel postulate. How do you find the postulate of a triangle? If the hypotenuse and one of the legs (sides) of a right triangle are congruent to hypotenuse and corresponding leg of the other right triangle, the
on April 22, 2022
What are the 14 layers in a spacesuit?
Space and AstronomyThe suit itself has 13 layers of material, including an inner cooling garment (two layers), pressure garment (two layers), thermal micrometeoroid garment (eight layers) and outer cover (one layer). What are the layers of a spacesuit? The suit consists of three major layers: the bladder that contains the oxygen, the restraint that provides the structure,
on April 22, 2022
How did the ancient Greek view about motion?
Space and AstronomyHow did the ancient Greeks explain this motion? The Ptolemaic Model By the time of Ptolemy Greek astronomers had proposed adding circles on the circular orbits of the wandering stars (the planets, the moon and the sun) to explain their motion. These circles on circles are called epicycles. What were the early ideas of Greek
on April 22, 2022
What is the circumference of a 4 ft diameter circle?
Space and AstronomySo C=22/7*4. Calculating C=12.57142857. Or C=12.57. In feet this comes out to be about 12.57 feet. What is the circumference of a 4 ft radius circle? Answer: The circumference of a circle with a radius of 4 is 8 π. What is the circumference with a diameter of 4? which can be calculated to 12,566
on April 22, 2022
What is the lines perpendicular to a transversal theorem?
Space and AstronomyThe perpendicular transversal theorem tells you that in a plane, if a line is perpendicular to one of two parallel lines, then it is perpendicular to the other. The converse perpendicular transversal theorem tells you in a plane, if two lines are perpendicular to the same line, then they are parallel. How do you prove
on April 22, 2022
What is a glide reflection in math?
Space and AstronomyIn 2-dimensional geometry, a glide reflection (or transflection) is a symmetry operation that consists of a reflection over a line and then translation along that line, combined into a single operation. How do you do a glide reflection? A glide reflection is just what it sounds like: You glide a figure (that’s just another way
on April 22, 2022
How many known moons does Pluto have?
Space and Astronomyfive known moonsfive known moons. Charon, by far the largest, is fully half the size of Pluto. How many moons do Pluto have? 5 moons Pluto has 5 moons. The largest, Charon, is so big that Pluto and Charon orbit each other like a double planet. What are Pluto’s 5 known moons? The dwarf planet
on April 22, 2022
How do you prove Automorphism?
Space and AstronomyIf f:G->G is an automorphism, it is a one-to-one and onto function from G to itself that preserves the operation in G.…Senior Member Show that f(ab)=f(a)f(b) Show that if f(a) = f(b) then a=b. Show that for every y in G, there is an x in G such that f(x)=y. How do you test automorphism?