Вопросы по содержанию лекций

В главе 8 Галактика, в параграфе 1 был показан слайд "Небо в Гамма-диапазоне >100 МэВ". А что это за прибор такой снимает такие картинки с квантами такой энергии? И как убеждаются , что это электромагнитное излучение? А не например, поток нейтронов с такой энергией? Если поток протонов или электронов, то их отклоняют Наверное? Или где можно почитать о таких приборах?

Гамма излучение принимается, как это не парадоксально, гамма-телескопами. Механизмы приёма данного излучения давно изучены физиками. Принцип любого приёмника излучения прост: фотон выбивает электрон из атома, мы измеряем напряжение, которое получилось, и из этого делаем вывод, фотоны какой энергии к нам пришли. В гамма телескопах конечно всё сложнее, потому что фотоны имеют очень высокие энергии, но способы приёма такого излучения тоже есть. Невозможно в итоге "поймать" вместо гамма-фотона какую-нибудь другую частицу чисто из физических соображений.

Изображение из лекции было сделано с космической Комптоновской гамма-обсерватории при помощи телескопа EGRET. О приборах вы можете почитать на сайте NASA или где-нибудь ещё в интернете. Если интересно ещё что-нибудь узнать о гамма-телескопа, то советую вам прочитать про телескопы: Fermi и INTEGRAL.

Здравствуйте, Виктор! Спасибо за исчерпывающий ответ. Есть теперь что посмотреть в бескрайних просторах Интернета.. 

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