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Just like the parsec (an abbreviation for Parallax of one arcsecond) and kiloparsec (equivalent to 1,000 parsecs, or KPC for short), the megaparsec (or MPC) is a measurement unit that is used in astronomy to measure the great, vast distance between galaxies in intergalactic space. It is said that one parsec is equal to about […]
Photo by: Dicklyon Creative Commons In science, a wave is a disturbance traveling via a substance or material called medium from one point to another, carrying with it energy. There are two examples that can create waves. One of them is the ocean while the other is a slinky toy. The medium used by the
People are very conscious of their weight. When they see that they exceed the normal weight they should have, they worry and go on a diet and perform regular exercise. But if they go to the moon or where there is no gravity pulling them down, they become weightless. The earth has a gravitational force
Photo by: RJHall Creative Commons Volatiles are chemical elements and compounds that have small boiling points and are found or connected to the atmosphere and crust of both a moon and a planet. Elements such as hydrogen, nitrogen, carbon dioxide, ammonia, and methane are types of volatiles. Water is also a perfect example as well
Planets have two motions in space. The first one is their rotation, where they spin on their axis. They also move around the sun, which is called their revolution. On their journey around the sun, they follow an imaginary track called the orbit.
Event horizon, in its simplest definition, is a black hole?s surface. It has a radius of influence that can affect the perception of objects in space. Many astronomy books define it as a very dense region. A teaspoon-full of this object will weigh thousands of tons. Therefore, it has an extreme gravitational pull that even
Light is a form of energy that allows us to see. And our major source of this energy is the sun. Light is considered Electromagnetic Radiation, which includes infrared rays, ultraviolet and radio waves. Through the ages, scientists have formulated theories on light?s nature. Because of its behavior and observed properties, it has the dual
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Many stars are moving together with other stars in space. These groups are called multiple star systems. An example of this system is an eclipsing binary star. It is a pair of stars that revolves on an imaginary ?center.? Their center of revolution is based on their common geometrical center of masses.
The Schmidt camera is a catadioptric astrophotography telescope that is capable of providing a wide array of options in its fields of views and with limited aberrations. The Schmidt camera is also known to many as the Schmidt telescope, and was invented by optician Bernard Schmidt of Estonia back in 1930. The optical components that
Meridian, latitude, longitude, equator – these are words normally used in geography. Not many people know that they are also used as terms in the field of astronomy. Meridian astronomy, in particular, is used to make correct measurements in the sky so that celestial bodies (stars, planets, etc.) can be charted – an astronomical time-keeping
