It allows to record details on user behaviour and facilitate the social sharing function provided by. The na_sr cookie is used to recognize the visitor upon re-entry. The na_sc_e cookie is used to recognize the visitor upon re-entry. The na_rn cookie is used to recognize the visitor upon re-entry. The na_id is set by AddThis to enable sharing of links on social media platforms like Facebook and Twitter. It does not store any personal data.įunctional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. The central black hole of the quasar devours an extremely huge amount of matter, equivalent to 4,000 solar masses of material every year. However, because of its huge distance of 12.1 billion light-years it can only be studied by spectroscopy. The quasar’s luminosity is therefore about 3 × 10 14 (300 trillion) times the Sun, or over 25,000 times as luminous as all the 100 to 400 billion stars of the Milky Way Galaxy combined, making it one of the most powerful objects in the observable universe. If the quasar were at a distance of 280 light-years from Earth, it would give out as much energy per square meter as the Sun does at Earth, despite being 18 million times more distant. It is one of the most luminous quasars with total energy output of 10 41 watts. Blazars are the most energetic of all sub classes of quasars. S5 0014+81 has a mass of about 40 billion solar masses. This is the most interesting one in the list. Artist’s impression of S5 0014+81, one of the most massive black holes
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