The first gamma-ray telescope carried into orbit, on the Explorer 11 satellite in 1961, picked up fewer than 100 cosmic gamma-ray photons.
Gamma ray logging is a method of measuring naturally occurring gamma radiation to characterize the rock or sediment in a borehole or drill hole. Inventor Figures In the end of 1890, Bacquerel discovered radioactivity inadvertently.
Gamma-rays coming from space are mostly absorbed by the Earth's atmosphere.So gamma-ray astronomy could not develop until it was possible to get our detectors above all or most of the atmosphere, using balloons or spacecraft. It is a wireline logging method used in mining, mineral exploration, water-well drilling, for formation evaluation in oil … Electromagnetic waves are transverse waves with a wide range of properties and uses. Usage of gamma rays in medical treatment.
What is radioactivity? Some of the waves are also hazardous to human body tissues. Gamma rays are ionizing radiation which can kill living cells. These strong electromagnetic waves are naturally occurring and they traverse the universe in great distances. 2. Gamma rays have a lot of benefits to mankind. Gamma rays are produced by the hottest and most energetic objects in the universe, like neutron stars, supernova explosions, and areas around black holes. 0 7,594 4 minutes read.
admin January 9, 2017. However, you also have to pay attention to the dangers of gamma rays. For treatment deep within the body, high energy photons are sent to reach the target tumour without affecting the surrounding tissue.
Practical uses of gamma rays include observing astronomical objects, combating the very cancer they cause, and taking images of people's circulatory or digestive systems. Gamma rays have the same characteristics to X-rays. This scan uses a small amount of radioactive material that is injected into a vein, inhaled or swallowed.
Gamma rays (often denoted by the Greek letter gamma, γ) is an energetic form of electromagnetic radiation produced by radioactivity or nuclear or subatomic processes such as electron- positron annihilation and radioactive decay. gamma rays 1. Gamma-ray astronomy presents unique opportunities to explore the universe, search for new physics, test theories, and perform experiments that are not possible in Earth-bound laboratories. They are used to treat malignant tumours in radiotherapy. The PET scan reveals where the radioactive material accumulates and can detect problems with blood flow, oxygen use and metabolism. Properties of alpha, Beta and Gamma rays with uses and differences. PET stands for "positron emission tomography."
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