Exploring Gamma Photon Distribution in the Galaxy: What Can We Learn?

Thread starter mersecske
Start date May 23, 2011
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Galaxy Gamma Photons

In summary, gamma photons are high-energy particles of electromagnetic radiation created through nuclear reactions, such as radioactive decay. They play a crucial role in the galaxy by carrying information about energetic events and processes, providing insight into celestial bodies, and shaping the universe. Gamma photons are detected using specialized instruments, and while they have minimal impact on life on Earth, high levels of gamma radiation can be harmful to living organisms.

May 23, 2011

mersecske

How many gamma photons are in the galaxy,
and what can we know about the distribution?
Which kind of process can absorb them?

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May 23, 2011

Nik_2213

IIRC, there's been some recent work on mapping cold, dark clouds by studying their wide borders' soft x-ray emissions where particles are excited by cosmic rays...

1. What are gamma photons?

Gamma photons are high-energy photons, or particles of electromagnetic radiation, that have a frequency and energy level beyond that of visible light. They are produced by nuclear reactions, such as radioactive decay, and can travel at the speed of light.

2. How are gamma photons created in the galaxy?

Gamma photons are created in the galaxy through a variety of processes, including supernova explosions, interactions between cosmic rays and interstellar gas, and the decay of radioactive elements. These processes release large amounts of energy, which is then converted into gamma photons.

3. What is the role of gamma photons in the galaxy?

Gamma photons play a crucial role in the galaxy as they carry information about the most energetic events and processes occurring in the universe. They also provide insight into the composition and structure of celestial bodies, such as stars and galaxies.

4. How are gamma photons detected in the galaxy?

Gamma photons are detected using specialized instruments, such as gamma-ray telescopes, which are designed to detect high-energy radiation. These instruments use a variety of methods, including scintillation detectors and Cherenkov detectors, to capture and analyze gamma photons.

5. What impact do gamma photons have on life in the galaxy?

Gamma photons have a minimal impact on life in the galaxy as they are mostly absorbed by Earth's atmosphere before reaching the surface. However, high levels of gamma radiation can be harmful to living organisms, which is why astronauts and satellites are shielded from it. Nevertheless, gamma photons play a crucial role in shaping the universe and providing a deeper understanding of its inner workings.