Category: Cosmic Astronomy
Astronomy is a discipline that studies the structure and development of celestial bodies and the universe. The content includes the structure, nature, and operation rules of celestial bodies. Astronomy is an ancient science. Since the history of human civilization, astronomy has played an important role. Cosmic Astronomy-Cosmic Astronomy Information-Cosmic Astronomy Discovery.
Mainly by observing the radiation emitted by celestial bodies to the earth, discovering and measuring their position, exploring their laws of motion, and studying their physical properties, chemical composition, internal structure, energy source, and evolution law.Cosmic Astronomy-Cosmic Astronomy Information-Cosmic Astronomy Discovery.
The object of astronomy research has a great scale, a very long time, and extreme physical characteristics, so it is difficult to use the ground laboratory to simulate. Therefore, astronomy research methods mainly rely on observation. Because the Earth’s atmosphere is opaque to ultraviolet radiation, X-rays, and γ -rays, many space exploration methods, and means have emerged, such as balloons, rockets, artificial satellites, and spacecraft.
Why are astronauts carried away when they return to Earth?
Why are astronauts carried away when they return to Earth? Because astronauts have been in a weightless environment for a long time and have always…
Top 15 list of global astronomy-related websites (for reference only)
Name Website Introduction timeanddate.com timeanddate.com timeanddate.com was registered in 1997 and officially launched on May 24, 1998. On the first day of its launch, the…
