Posted on April 27, 2022 (Updated on July 9, 2025)
What do scientists call the part of the universe they can see?
Space & NavigationThe observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of … What do scientists
Posted on April 27, 2022 (Updated on July 9, 2025)
What does non Euclidean geometry mean?
Space & NavigationWhat is meant by non-Euclidean geometry? non-Euclidean geometry, literally any geometry that is not the same as Euclidean geometry. Although the term is frequently used to refer only to hyperbolic geometry, common usage includes those few geometries (hyperbolic and spherical) that differ from but are very close to Euclidean geometry (see table). What is an
Posted on April 27, 2022 (Updated on July 9, 2025)
What inventions came from the space program?
Space & NavigationInventions we use every day that were actually created for space exploration Artificial limbs. … Scratch-resistant lenses. … Insulin pump. … Firefighting equipment. What was invented because of the space program? NASA has addressed a lot of issues in space exploration through their inventions such as water filters, charge-coupled devices, lifeshears, scratch-resistant eyeglass lenses, cochlear
Posted on April 27, 2022 (Updated on July 9, 2025)
What is the identity of a number?
Space & NavigationAn identity is a number that when added, subtracted, multiplied or divided with any number (let’s call this number n), allows n to remain the same. The identity will be either 0 or 1, depending on the operation that we are using. In addition and subtraction, the identity is 0. What is an identity in
Posted on April 27, 2022 (Updated on July 9, 2025)
Why is winter when Earth is closest to Sun?
Space & NavigationIn winter, your part of Earth is tilted away from the sun. In summer, your part of Earth is tilted toward the sun. The day of maximum tilt toward or away from the sun is the December or June solstice. Earth is a bit closer to the sun at perihelion. When we are closest to
Posted on April 27, 2022 (Updated on July 9, 2025)
What is the concept of algebra?
Space & NavigationAlgebra is a branch of mathematics that substitutes letters for numbers. Algebra is about finding the unknown or putting real-life variables into equations and then solving them. Algebra can include real and complex numbers, matrices, and vectors. What is the main purpose of algebra? The purpose of Algebra is to make it easy to state