Temperature Astronomy dictionary, letter T Temperature is the measure of the degree of heat of a substance, that is, its level of heat energy. It is measured using an arbitrary scale from absolute zero, where the molecules theoretically stop moving. It is also the degree of heat and cold.

I'm having a difficult time understanding certain behaviors of white dwarfs. I understand how mass is lost in the red giant to white dwarf transition process. I understand that white dwarfs can

A hypothetical simulation starts with a planet called Earth in a perfectly circular orbit around a star called Sol. There is also a moon called Luna in a perfectly circular orbit around Earth. Que…

The race to the moon The year 1955 was crucial for spaceflight. Proclaimed by the international scientific community as an international geophysical year, both the Soviet Union and the United States announced their willingness to launch artificial satellites. The Soviet Union planned to use its large intercontinental ballistic missiles as space rockets; I know.

Whenever I have learned about the solar system I always see the orbits displayed as a virtually flat plane. Are all of the orbits in the solar system really like this? If so, why? It seems like a

On the website Lunar Synodic Curve a nice image of an Moon analemma is shown together with an explantion on the reason why for the different phases of the Moon the images have to be taken with 24h…