Posted on April 22, 2022 (Updated on July 9, 2025)
What is universal set in set theory?
Space & NavigationIn set theory, a universal set is a set which contains all objects, including itself. In set theory as usually formulated, the conception of a universal set leads to Russell’s paradox and is consequently not allowed. What is universal set and example? A universal set (usually denoted by U) is a set which has elements
Posted on April 22, 2022 (Updated on July 9, 2025)
What is the surface temp of mercury?
Space & NavigationThe surface temperature of Mercury, the closest planet to the Sun in our solar system, can vary widely depending on the location and time of day. However, on average, the temperature on Mercury’s surface can range from about -290 degrees Fahrenheit (-180 degrees Celsius) on its night side to about 800 degrees Fahrenheit (430 degrees
Posted on April 22, 2022 (Updated on July 9, 2025)
Why are asteroids located in the asteroid belt?
Space & NavigationAsteroids are concentrated in the asteroid belt because of orbital resonances between asteroids and Jupiter. Asteroids with orbital periods that are a simple ratio of Jupiter’s 12-year orbital period experience the same gravitational nudge on a regular basis. Where is the asteroid belt located and why? The asteroid belt is a torus-shaped region in the
Posted on April 22, 2022 (Updated on July 9, 2025)
How do you solve grouping symbols?
Space & NavigationHow do you do grouping symbols? Three common types of grouping symbols—parentheses ( ), brackets [ ], and braces { }—are used to group numbers or variables (letters). The most commonly used grouping symbols are parentheses. Operations inside parentheses can be done before any other operations in order to simplify the problem. What is an
Posted on April 22, 2022 (Updated on July 9, 2025)
What is a function rule?
Space & NavigationA function rule is the relationship between the dependent and independent variables in the form of an equation. The function rule of a specific function, explains how to determine the value of the dependent variable say y, in terms of the independent variable say x. What is a function rule example? A function is a
Posted on April 22, 2022 (Updated on July 9, 2025)
Why is Callisto so heavily cratered?
Space & NavigationCallisto is the most heavily cratered of all of Jupiter’s satellites. The density of the craters indicates that they were produced about four billion years ago, when all the bodies of the solar system came under heavy cometary and meteoroid bombardment. Why is Callisto so cratered? Callisto’s rocky, icy surface is the oldest and most