Is the universe expanding or contracting?
Space and AstronomyBased on large quantities of experimental observation and theoretical work, the scientific consensus is that space itself is expanding, and that it expanded very rapidly within the first fraction of a second after the Big Bang, approximately 13.8 billion years ago. This kind of expansion is known as “metric expansion”. Is the universe expanding contracting
When and where was the sundial invented?
Space and AstronomyThe oldest known sundial was made in Egypt in 1500 BC. It was L-shaped. The top of its vertical leg cast its shadow on the horizontal leg. When was the sundial discovered? 1500 BC The earliest household clocks known, from the archaeological finds, are the sundials (1500 BC) in Ancient Egypt and ancient Babylonian astronomy.
What are some misconceptions?
Space and Astronomy10 common misconceptions most people think are true Fortune cookies are not Chinese. … The Buddha was not fat. … Twinkle Twinkle Little Star was not composed by Mozart. … “Golf” does not stand for a misogynistic slogan. … Vikings did not wear horns on their helmets. What are some common misconceptions about you? 10
What does P and Q stand for in geometry?
Space and AstronomyThe proposition p is called hypothesis or antecedent, and the proposition q is the conclusion or consequent. Note that p → q is true always except when p is true and q is false. What does P and Q mean in geometry? In conditional statements, “If p then q” is denoted symbolically by “p q”;
How far away is the Hubble telescope?
Space and AstronomyHubble orbits in low Earth orbit at an altitude of approximately 540 kilometers (340 mi) and an inclination of 28.5°. How far away is the Hubble telescope now? — Hubble orbits about 340 miles (547 kilometers) above Earth, on a path inclined 28.5 degrees to the equator. Its average speed is 17,000 mph (27,000 kph),
What does a cork oak look like?
Space and AstronomyThe cork oak (Quercus suber) is a medium-sized, evergreen oak tree. It grows southwest Europe and northwest Africa. It grows to up to 20 m, but in its native environment it is usually not that tall. The leaves are 4–7 cm long, dark green above, paler beneath, with the leaf margins often downcurved. How can
Is every circuit a path?
Space and AstronomyIs every circuit is a path? Yes, because a circuit is a path that begins and ends at the same vertex. Are paths the same as circuits? Path is a route along edges that start at a vertex and end at a vertex. Circuit is a path that begins and ends at the same vertex.
What does quartic mean in math?
Space and AstronomyIn mathematics, the term quartic describes something that pertains to the “fourth order”, such as the function. . It may refer to one of the following: Quartic function, a polynomial function of degree 4. Quartic equation, a polynomial equation of degree 4. What is an example of quartic? What is an example of a quartic
What happened to Phil Hartmans wife?
Space and AstronomyDid you mean: What happened Phil Hartman? On May 28, 1998, the comedian and actor Phil Hartman, famous for his work on Saturday Night Live and NewsRadio, is shot to death by his troubled wife, Brynn, in a murder-suicide. He was 49. In 1986, Hartman earned a spot on the long-running NBC sketch comedy show
What are the three theorems for proving triangles similar?
Space and AstronomyThese three theorems, known as Angle – Angle (AA), Side – Angle – Side (SAS), and Side – Side – Side (SSS), are foolproof methods for determining similarity in triangles. What are the 3 shortcuts for proving triangles similar? There are 3 similarity shortcuts – ways you can tell triangles are similar. AA Similarity Conjecture.