Category: Space and Astronomy

What does it mean when a point is on the terminal side of an angle?

General Angles The vertex is always placed at the origin and one ray is always placed on the positive x-axis. This ray is called the initial side of the angle. The other ray is called the terminal side of the angle. This positioning of an angle is called standard position. What does it mean if

What is applied topology?

Where is topology applied? Topology is used in many branches of mathematics, such as differentiable equations, dynamical systems, knot theory, and Riemann surfaces in complex analysis. It is also used in string theory in physics, and for describing the space-time structure of universe. Is topology applied math? In applied mathematics, topological based data analysis (TDA)

Why is matrix multiplication o n 3?

If you multiple two n x n matrices to produce a third n x n matrix, then every element of the output matrix is the result of a dot product. Each dot product takes O(n) time and you need to do n^2 of them, so the entire matrix multiplication takes O(n^3) time. Why is matrix

How much space is considered personal space?

Eighteen inches to four feetEighteen inches to four feet. Personal space begins around eighteen inches from another person and may extend out to about four feet. What is considered your personal space? “Intimate space” is the bubble closest to you, extending up to 18 inches from your body; it’s reserved for family, lovers, and close

How is the North Star always north?

Some stars travel a great distance over the course of the night. Polaris is different. Because it’s so close to the celestial pole, it traces out a very small circle over 24 hours. So Polaris always stays in roughly the same place in the sky, and therefore it’s a reliable way to find the direction

Was Katherine Goble white?

Katherine Johnson, née Katherine Coleman, also known as (1939–56) Katherine Goble, (born August 26, 1918, White Sulphur Springs, West Virginia, U.S.—died February 24, 2020, Newport News, Virginia), American mathematician who calculated and analyzed the flight paths of many spacecraft during her more than three decades … What race was Katherine Johnson? ‘ That was my

What is a photosphere in astronomy?

photosphere, visible surface of the Sun, from which is emitted most of the Sun’s light that reaches Earth directly. What is the photosphere simple definition? An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth’s atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. What

When the Earth is positioned directly between the sun and the moon the shadow of the Earth is cast upon the moon causing a lunar eclipse?

When the Earth is positioned directly in between the Sun and the Moon, the shadow of the Moon is cast upon the Earth, casting a lunar eclipse. When the Earth is positioned directly between the Sun and the Moon the shadow of the Moon is cast upon Earth casting a lunar eclipse? Sometimes, the Moon

How do you draw a mirror reflection?

How to Draw People in Mirrors Draw the person the mirror is going to reflect first. … Draw a straight line from the top of the person’s head to the mirror. … Decide which part of the head will be reflected in the mirror. … Draw the reflection smaller if the mirror is far away

Are opposite angles congruent?

Opposite Angles. Opposite angles are non-adjacent angles formed by two intersecting lines. Opposite angles are congruent (equal in measure). Are opposite sides congruent? Opposite Sides Are Congruent In geometry, congruent means that two things are identical. If you were to superimpose the shapes on top of each other they would match up exactly. This is

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