Category: Space and Astronomy

Does a rectangle have 4 congruent sides?

A rectangle is a quadrilateral because it has four sides, and it is a parallelogram because it has two pairs of parallel, congruent sides. All four angles are right angles. A square has two pairs of parallel sides and four right angles. All four of its sides are congruent. Does a rectangle always have 4

What does it mean to collect like terms?

Collecting like terms is a way of simplifying algebraic expressions. It is also known as combining like terms. To do this we identify the like terms in an algebraic expression and combine them by adding or subtracting. See also: Simplifying expressions. What are collecting like terms? Collecting like terms means to simplify terms in expressions

What conditions are required for flow similarity?

In fluid mechanics, dynamic similarity is the phenomenon that when there are two geometrically similar vessels (same shape, different sizes) with the same boundary conditions (e.g., no-slip, center-line velocity) and the same Reynolds and Womersley numbers, then the fluid flows will be identical. What are the necessary conditions for complete similarity for your wind tunnel

How do you prove congruency?

What are the 5 ways to prove congruence? There are five ways to find if two triangles are congruent: SSS, SAS, ASA, AAS and HL. What is SSS SAS ASA AAS? SSS stands for “side, side, side” and means that we have two triangles with all three sides equal. If three sides of one triangle

What are the differences between the Earth sun and moon?

The earth is a planet, the Sun is a star and the moon is a natural satellite. The Sun and the Earth doesn’t change its shape but the moon continuously changes its shape( means it appears to be changing shapes). The Earth takes 365 days to complete one revolution around the Sun and this time

Does Pluto have any moon?

The known moons of Pluto are: Charon: Discovered in 1978, this small moon is almost half the size of Pluto. It is so big Pluto and Charon are sometimes referred to as a double planet system. Nix and Hydra: These small moons were found in 2005 by a Hubble Space Telescope team studying the Pluto

How long does waning crescent moon last?

How long does a waning crescent last? For the last 7 days (21 days after new moon) the moon continues its waning phase until becoming a New Moon again. This moon is in a “waning crescent moon” phase and you will only see 49% – 1% of the lit moon. After approximately 29.5 days, the

What was the impact of Sputnik?

Sputnik made it possible to test satellite pressurisation, to study radio wave transmission and the density of the atmosphere, and allowed scientists to learn how to track objects in orbit. Sputnik 1 orbited Earth every 96 minutes, and the fact that it passed over the USA seven times a day worried many Americans. What was

Are all radio telescopes reflectors in design?

All radio telescopes are reflectors in design. Optical interferometry is more in use than radio interferometry. In addition to visible light, Hubble can do some work in the infrared and ultraviolet portions of the spectrum. Due to our ozone layer, ultraviolet astronomy must be done from space. Is a radio telescope reflecting? We use radio

When’s the next full moon in California?

Moon Phases for California City, California, USA in 2022 Lunation New Moon Full Moon 1228 Mar 31 Apr 16 1229 Apr 30 May 15 1230 May 30 Jun 14 1231 Jun 28 Jul 13 What kind of moon is it tonight in California? Moon Phases 2022 – Lunar Calendar for Los Angeles, California, USA Current

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