Sergey Popov on how science is trying to explain the phenomenon of gravity
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Subscribe to the channel ► / @rbctrends Why can't science still explain one of the main forces in the Universe? What does "straight line" motion look like in curved space? And in what cases can we say with certainty that weight is not the most important thing? You asked us to talk about gravity — we're here to help. In the new "Tolka," astrophysicist and Doctor of Physical and Mathematical Sciences Sergei Popov will lift the veil on one of the main mysteries of modern cosmology. We'll find out how scientists study gravitational interactions in near-Earth orbit, and why they sometimes have to distance themselves from Albert Einstein's repeatedly confirmed general theory of relativity. We'll also try to figure out whether dark matter particles actually exist or whether all of this is also the machinations of gravity. It would seem that we've known since childhood that thanks to it we walk on the earth and our planet revolves around the Sun. But do we know the main thing: what is gravity? 00:00 - Intro 00:34 - Questions facing astrophysicists today 01:39 - Main types of interactions 03:09 - What are inertia and inertial mass? 04:20 - What does inertia depend on? 05:14 - Does inertial mass affect motion under the influence of gravity? 06:51 - What influences the trajectory of bodies in space? 07:42 - Two approaches to the study of gravity 10:03 - Why do scientists seek to expand the general theory of relativity? 11:34 - Hawking evaporation of black holes 13:58 - Gravitational theory of dark matter 15:28 - Do global scientific theories find utilitarian application? 16:35 - What pushes scientists to conduct experiments Read more on the RBC Trends website: https://trends.rbc.ru/trends/industry... RBC Trends ► https://www.rbc.ru/trends Telegram ► https://t.me/rbc_trends Zen ► https://zen.yandex.ru/rbc_trends Vkontakte ► https://vk.com/rbc_trends
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