Permittivity of free space or vacuum permittivity refers to the interaction between electricity and force as well as the effects of space on electrons. In a purely theoretical sense, permittivity of free space refers to a vacuum’s ability to maintain the bonding effects of individual electrons. Permittivity of free space allows the size and intensity of an electric or magnetic field to be measured within a vacuum.   How Permittivity of Free Space Works Permittivity of free space can be seen as a constant in theoretical physics and can be Read More

The planet Mars has held a place of intrigue with humanity for many centuries. Also known as the “Red Planet,” Mars can be seen with the naked eye and looks red due to the large red desert covering its surface and the presence of a large amount of ferric oxide. As the fourth planet in the solar system, and final one before the asteroid belt, a common question that arises amongst students and adults is what is Mars made of? Is Mars Made of Similar Material to Earth? The basic Read More

One of the basic questions regarding the earth is, how fast does it spin? The earth is constantly spinning; it spins around its axis. An axis in this case is an imaginary line running through the center of the earth from the North Pole to the South Pole. To calculate how fast the earth spins, we need to know a few details. To figure out the speed of the earth at the equator, we need to know the circumference of the earth at the equator. The circumference of the earth Read More

Quasars are a phenomena that, to this day, continue to baffle and confuse astronomers. There are different theories. One is that a quasar is formed from a super, massive black hole. Another theory is that a quasar is actually a baby galaxy and is at the earliest stages of development. However, since no one really knows what galaxy development is, there is no way to tell if this theory is sound. Other theorists propose that a quasar is the opposite of a black hole and it is allowing new matter Read More

Apogee is a term used to describe the point at which a satellite or object in orbit is at its furthest distance away from the Earth. When an object is at its apogee, it travels much slower than at any other point in its orbit because the Earth has less of a pull on it. By knowing an object’s apogee, scientists can calculate the total distance the object will travel around the Earth and whether it is getting closer or further away from the Earth upon each orbit. How Apogee Read More

What was once only a dream has now become a reality as space travel is a regular activity in our society. With thousands of satellites in orbit, the Hubble Space Telescope that can see other galaxies, regular shuttle launches, and prototypes for vehicles that can fly in and out of the atmosphere, it makes sense that we have a permanent space station in orbit. To fully understand the concept of a space station, however, it is important that people learn how a space station works. In this article, we will Read More

Space mining refers to the planned extraction of mineral content from asteroids, comets, planets, and other heavenly bodies. Astronomers and scientists confirm that a single asteroid could actually hold large amounts of metals and minerals that could amount to billions of dollars in total monetary value. This claimed fact has sparked lots of interest among scientists and businessmen alike. If asteroids hold such large deposits of valuable minerals, investing on mining these minerals from the asteroids could prove to be very profitable. While asteroids could vary in size, it is Read More

Selenographers are those who study the features of the moon. This includes all physical features which are viewable with the eyes by using tools such as telescopes and imaging devices. The practice is a smaller part of selenology which is the science of the moon. Selenographers of today study the changes that occur on the moon when we visit as well as map important information for the government about what we have done on the moon. Famous Selenographers in History There has been a large selection of selenographers in history. The famous ones are Read More