The primary mirror is defined as the light gathering, or refracting surface of a telescope. It is also called as the telescope’s objective. In a reflecting telescope, it either uses a single or a pair of curved mirrors to reflect light in order to form an image based on the location where the said telescope […]
The prime meridian is considered as the middle point of earth. It is also commonly known as the Greenwich Meridian and is a component that forms the International Date Line, which then divides the Western and Eastern Hemispheres of the Earth.
In science, there will always be the term prism, especially when the field of optics is involved. A prism is an optical equipment with a transparent color, a flat, triangular shaped, and polished surface, which refracts light.
A planetary nebula is not a planet, although its name often gives that initial impression. It is actually the accumulation of gas and plasma given off by a star that is about to bade farewell to the universe. They are so named because their appearance through a small optical telescope closely resembles a giant planet.
When you hear of the planck scale, you’ll have to think small and hot but no, I wasn’t referring to red and green jalapeño peppers. I am, in fact, talking about this theory in physics that is the subject of much debate among physicists both young and old.
In astronomy, the term protoplanet illustrates a type of planet, included in the planet formation theory. This term is defined as the larger planetary embryos within protoplanetary discs that may have gone through the process of internal melting to produce a different planetary interior. It is also believed that these types of celestial bodies are
The position angle refers to the relative measurement of the secondary object from the primary one on the same celestial sphere, often used to measure and observe binary or double stars. The position angle is measured in degrees in a counter clockwise direction starting from the north celestial pole. It is usually abbreviated to PA.
One theory of planetary formation cites small celestial objects known as planetesimals to be the forbearers of planets. They are formed by the combination of dust, rock and other materials moving within the solar nebula. Through a process called ‘accretion’, these small microscopic particles collide and merge to form larger bodies measuring up to a
A planisphere is a must-have device for people who love to stargaze at night. This is a representation of the celestial sphere on a flat plane that can be adjusted around a common pivot to show which stars would be visible in the night sky at any given time and date. This is an especially
The plasmasphere is that region of dense, cold plasma surrounding the Earth. It is a part of the plasma-containing magnetosphere and is located just outside the upper ionosphere, extending to about 8000 to 25,000 miles into space. This donut-shaped volt of energy around our planet is the result of a process jumpstarted by the Sun’s
