How do astronomers use light to study the universe?
Space & Navigation“You take the light from a star, planet or galaxy and pass it through a spectroscope, which is a bit like a prism letting you split the light into its component colours. “It lets you see the chemicals being absorbed or emitted by the light source. From this you can work out all sorts of
What is the last quarter of the moon?
Space & NavigationThe Third or Last Quarter Moon is also called a Half Moon because the Sun’s rays illuminate exactly 50% of the Moon’s surface. Half of the Moon’s surface is always illuminated by direct sunlight, except during lunar eclipses when Earth casts its shadow on the Moon. What phase of the moon is last quarter? A
How do you find the inner product?
Space & NavigationHow do you find the inner product of a vector? To take an inner product of vectors, take complex conjugates of the components of the first vector; multiply corresponding components of the two vectors together; sum these products. What is inner product example? An inner product space is a vector space endowed with an inner
What is an edge in a tree?
Space & NavigationAn edge is another fundamental part of a tree. An edge connects two nodes to show that there is a relationship between them. Every node (except the root) is connected by exactly one incoming edge from another node. Each node may have several outgoing edges. How many edges a tree have? A labeled tree with
What are rational expressions used for?
Space & NavigationRational equations can be used to solve a variety of problems that involve rates, times and work. Using rational expressions and equations can help us answer questions about how to combine workers or machines to complete a job on schedule. How rational expressions are used in real-life? Rational equations can be useful for representing real-life
What is the definition of base area?
Space & NavigationIt refers to the area of one of the bases of a solid figure. It can be used to determine the volume of solid figures. What is a definition for a base? base, in chemistry, any substance that in water solution is slippery to the touch, tastes bitter, changes the colour of indicators (e.g., turns