What do you think of a Reusable launch vehicle (RLV)? It is a system that is capable of launching a launch vehicle to space more than once. It is different from expendable launch systems, wherein each launch vehicle is only launched only once and then discarded. Currently no true reusable launch vehicle is in use. […]
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What is Right ascension? This is the term astronomer’s use for one of the two coordinates of a point right on the celestial sphere when using the equatorial coordinate system. The other coordinate is referred to as declination. It is said that the concept of RA has been known since the time of Hipparchus. It
Photo by: ArtMechanic Creative Commons Newtonian telescope is a kind of reflecting telescope that has a concave primary mirror and a flat secondary mirror. It is patterned after the telescope invented by Sir Isaac Newton, the famous British astronomer and scientist who during the 17th century.
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The Nebulae and Clusters of Stars NGC, or New General Catalogue is a list or catalogue of deep sky objects. It was first compiled by a person named J. L. E. Dreyer in 1888, using observed data from various astronomers, among them William Herschel and his son, and James Dunlop. Dreyer was commissioned by the
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Apart from Nuclear Fusion in stars, there is also what is called as Nucleosynthesis. This is defined as the production or creation of new elements through the process of nuclear reactions. In this process, as more and more particles fuse together, such as the atoms of hydrogen and helium in stars, the new product of
In space or astronomy, there are different stars, like our sun. Other stars may be bright, dim, big small and other physical characteristics. And the arrangement and study on what types of stars are in space is called Stellar Classification.
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The Earth and other planets in the Solar system do not own a particular lot in the universe. With no permanent address in space, thus they were termed as wanderers. Positioning has an apparent effect on the planetary observation.
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Optics is the scientific study of light. It is a branch of physics that covers the behavior and properties of light. History is witness to how light has become an object of interest for humans due to its complicated nature. The study of optics dates back from the development of lenses in Ancient Egypt.
Photo by: Ligar Creative Commons In physics, focus is defined as that point in which the rays of light converge or meet; or diverge in the case when light is refracted or reflected. In optics, it can mean a number of things including: ? A lens? focal point ? A lens? or a telescope?s eyepiece?s
What is hydrazine? What is it and why haven’t you heard of it? It is an organic chemical compound that is odorless and flammable. It is a liquid that smells like ammonia since it is derived from the same industrial chemical processes; though the physical properties of this chemical is closer to water.
