“Is there life on Mars?” – asked the hero of the popular New Year’s film. German astrophysicist Michael Hippke, who works at the observatory in the city of Sonneberg, offers his own answer to the question of why people, despite the active search for intelligent life in the Universe, did not meet aliens. His point of view is presented by the IFLScience portal.
According to the scientist, aliens can live on planets where gravity is many times greater than that of the earth. That is why they are “locked” within their worlds.
Even to overcome Earth’s gravity requires a huge amount of fuel. To overcome the gravity of a massive superplanet, it may take an amount of rocket fuel equivalent to the mass of the largest Egyptian pyramid. Nuclear engines could be an alternative to go out into space.
In addition, such extraterrestrial civilizations may not have the technology to match Earth’s satellite television or the Hubble Space Telescope to detect alien life.
Source: Rosbalt
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