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The giant elliptical galaxy ESO 325-4. An elliptical galaxy is a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image. They are one of the three main classes of galaxy described by Edwin Hubble in his Hubble sequence and 1936 work The Realm of the Nebulae, [1] along with spiral and lenticular galaxies.
Whizz Pop Bang is a British science magazine for children. [1] Jenny Inglis founded the magazine in 2015, raising an initial £12,000 ($15002.57 USD) from Kickstarter. 3 months later, the magazine had 3,000 subscribers. [2] [1] A physics graduate, Inglis wanted Whizz Pop Bang to be free of advertising as well as gender-neutral. The scientific ...
Elliptical may mean: having the shape of an ellipse, or more broadly, any oval shape in botany, having an elliptic leaf shape; of aircraft wings, having an elliptical planform; characterised by ellipsis (the omission of words), or by concision more broadly; elliptical trainer, an exercise machine
A freezie or a freeze pop is a water-based frozen confection similar to an ice pop. It is made by freezing flavored liquid such as sugar water, fruit juice or purée inside a plastic casing or tube, either round or flat. Freezies come in sealed plastic tubular wrappers and conform to the shape of the wrapper when frozen to serve; as such, they ...
In astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity equal to 0. In a stricter sense, it is a Kepler orbit with the eccentricity greater than 0 and less than 1 (thus excluding the circular orbit).
An elliptical distribution with a zero mean and variance in the form where is the identity-matrix is called a spherical distribution. [14] For spherical distributions, classical results on parameter-estimation and hypothesis-testing hold have been extended.
In electrodynamics, elliptical polarization is the polarization of electromagnetic radiation such that the tip of the electric field vector describes an ellipse in any fixed plane intersecting, and normal to, the direction of propagation.
Pop-ups opened the door for the creation of many other types of interactive books for both children and adults. Despite a brief decline in production during the mid-twentieth century, it was a new idea that spawned quickly and eventually became the highly technological and advanced world of books that it is today.