on April 24, 2022
Do stars revolve?
Space and AstronomyThe stars are not fixed, but are constantly moving. If you factor out the daily arcing motion of the stars across the sky due to the earth’s rotation, you end up with a pattern of stars that seems to never change. Do stars rotate around something? Stars that are close to the Earth’s axis of
on April 24, 2022
What do cylindrical projections preserve the most?
Space and AstronomyDifferent cylindrical projections have been developed to preserve different spatial properties. Some preserve area, some shape, and some true distance along their meridians. The most famous of all map projections—the Mercator—is a cylindrical projection. What is a cylindrical projection best for why? A cylindrical projection does a fairly decent job of representing the entire globe,
on April 24, 2022
How many geometric constraints are available in AutoCAD?
Space and Astronomy12 geometric constraints12 geometric constraints you can apply to your drawing objects, and the easiest way to apply them is by clicking buttons on the Geometric panel of the Ribbon’s Parametric tab. What are geometric constraints AutoCAD? Geometric constraints are applied before dimensional constraints to define and preserve the general shape of the design. For
on April 24, 2022
How did Galileo live?
Space and AstronomyFor his heresy in claiming that Earth orbits the Sun, Galileo was sentenced to life imprisonment by the Roman Catholic Church in 1633. He was not tortured or executed. He served his sentence under house arrest and died at home in 1642 after an illness. How did Galileo spend the rest of his life? After
on April 24, 2022
Why do some people call math maths?
Space and AstronomyMath is an abbreviation of mathematics, which is a count noun in British English because there are different types of maths (geometry, algebra, calculus, etc.) and a mass noun that happens to end in an ‘s’ in American English (like gymnastics in both dialects). Is it correct to say math or maths? The only difference
on April 24, 2022
Where can you get cork?
Space and AstronomyThere are about 2,200,000 hectares of cork forest worldwide; 34% in Portugal and 27% in Spain. Annual production is about 300,000 tons; 49.6% from Portugal, 30.5% from Spain, 5.8% from Morocco, 4.9% from Algeria, 3.5% from Tunisia, 3.1% from Italy, and 2.6% from France. Is cork hard to find? Not at all. There’s actually an
on April 24, 2022
How do you prove a rectangle is a parallelogram?
Space and AstronomyEach pair of co-interior angles are supplementary, because two right angles add to a straight angle, so the opposite sides of a rectangle are parallel. This means that a rectangle is a parallelogram, so: Its opposite sides are equal and parallel. Its diagonals bisect each other. Is a rectangle is a parallelogram? The vertices join
on April 24, 2022
Are calla lilies native to Mexico?
Space and AstronomyThe calla lily or arum lily, of the family Araceae, is native to temperate regions of Africa, and has been adapted to temperate and tropical highland areas in Mexico. The main producing states are Veracruz, Puebla, Jalisco, Chiapas, Oaxaca, Colima and the State of Mexico. What does calla lily symbolize in Mexican culture? Though Flower
on April 24, 2022
How do you fix brake drag?
Space and AstronomyHow do you get rid of brake drag? To prevent brake drag, a caliper must remain in correct alignment relative to the rotor. Over time, a caliper may come out of alignment. If the issue grows severe enough, one of the brake pads may remain in contact with the rotor surface at all times. What
on April 24, 2022
How do you find the volume of a pyramid with an equilateral triangle base?
Space and AstronomyA triangular pyramid that has equilateral triangles as its faces is called a regular tetrahedron. The volume of a tetrahedron with side of length a can be expressed as: V = a³ * √2 / 12 , which is approximately equal to V = 0.12 * a³ . What is a pyramid with an equilateral