Found 14 Articles for Celestial bodies

Introduction Once Shyam and Sita visited their village and went on the roof in the moonless night. They are looking up in the sky and saying that there are several twinkling stars there and they are looking very beautiful. Suddenly Sita asked Shyam from which the stars are made up of and why they are shining? Then Shyam replied that the stars are made up of gasses like Hydrogen, Helium etc. and they are shining because these gasses are doing a reaction called Nuclear fusion from which they are producing light and heat. Again they start looking in the sky ... Read More

Introduction A significant array of features is needed to be available within a spacecraft to ensure the safety of the crew members. A reliable system is also to be installed within the spacecraft so that it can be operated from any space even from very far from the space. The weight of the system and its equipment are needed to be light. Almost all necessities of an astronaut are to be included also. In case of an emergency, the equipment needs to be used properly. The instruments need to possess the capability of keeping any seek astronaut alive in an ... Read More

Introduction The advent of stars takes place from a nebula which is a cloud constructed of gas and dust that facilitate factors of temperatures, pressures, density, and others. It is believed that the transformation of hydrogen into helium leads to the formation of stars. In the situation, when starts occur to appear in a certain practice or a gathering, it is known in the universe as a constellation. In this tutorial, the life cycle starts and the formation of the constellation has been described. An overview of stars The primary characteristics of stars can be defined as they are bigger ... Read More

Introduction The present tutorial intends to include the explanation regarding the concepts of physics such as escape velocity and orbital velocity along with explaining the relationship that lies between these two concepts. The tutorial will further include the definition of escape velocity and orbital velocity in order to build or exemplify the relation these two concept forms between themselves. Moreover, this tutorial will include an explanation of the formula of relation along with the differences between these concepts behold. What is Escape Velocity? Figure 1: Escape velocity In simple diction, the minimum velocity can define the escape velocity that an ... Read More