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Очень Большой Телескоп обновился, и начал искать экзопланеты в Альфа Центавра

Один из самых мощных сооружений для поиска и обнаружения далеких планет расположен в Чили, и он известен как Очень Большой Телескоп (VLT). Он представляет собой огромный комплекс из четырех основных и четырех дополнительных оптических телескопов, и за более 20 лет своего существования смог сделать сверхчеткие фотографии Юпитера и открыть множество далеких экзопланет. Отныне их поиск будет происходить быстрее и точнее, потому что телескоп оснастили инструментом NEAR.

Очень Большой Телескоп обновился, и начал искать экзопланеты в Альфа Центавра

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Ранее для поиска экзопланет использовались спектрометр и тепловизор для среднего инфракрасного диапазона (VISIR), но с добавлением нового инструмента телескоп стал более чувствительным к длинам волн инфракрасной области. Новый инструмент будет направлен в сторону скопления звезд Альфа Центавра — в ее обитаемой зоне, где условно могут существовать планеты с близкими к Земным условиями, может развиваться жизнь.

Очень Большой Телескоп ищет экзопланеты

Скопление Альфа Центавра имеет две схожие с Солнцем звезды, которые называются α Центавра А и α Центавра B. Несмотря на то, что они расположены сравнительно недалеко от нашей Солнечной системы, астрономам о них и близлежащих к ним планетах известно очень мало. Дело в том, что возможные экзопланеты испускают гораздо меньше света, чем обычные звезды — исследователи из Европейской Южной Обсерватории ESO сравнивают это с поиском мотылька, который кружится вокруг фонаря расположенного на расстоянии десятков километров.

Очень Большой Телескоп обновился, и начал искать экзопланеты в Альфа Центавра

Телескоп VLT

Инструмент NEAR представляет собой тепловой коронограф, который блокирует свет от расположенных поблизости экзопланет звезд и захватывает излучаемый ими инфракрасный свет. Аппарат уже эксплуатируется учеными — недавно завершился десятидневный цикл наблюдений, и астрономы занимаются изучением собранных данных.

NEAR — это первый и (в настоящее время) единственный проект, который может точно изобразить обитаемую экзопланету, — объявил Оливье Гийон, ведущий ученый программы по поиску экзопланет.

Примечательно, что примерно к 2024 году на Земле появится телескоп, который по размерам даже больше, чем VLT. Новое сооружение получит название Чрезвычайно большой телескоп (ELT), и тоже будет расположен в Чили. В 2018 году был заложен его фундамент — почитать об этом можно в нашем материале.

Очень Большой Телескоп обновился, и начал искать экзопланеты в Альфа Центавра

Телескоп ELT  в представлении художника

Если вам интересны новости науки и технологий, обязательно подпишитесь на наш канал в Яндекс.Дзен. Там вы найдете материалы, которые не были опубликованы на нашем сайте!

Источник: news-ria.ru

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