Can you think of something in the universe that cannot be seen, but its effects on other things can be detected?
Understand the Problem
The question is asking for examples of phenomena in the universe that are not directly observable but can be inferred through their influence on other observable entities. This involves concepts from physics, especially in areas like dark matter and gravity.
Answer
Dark matter.
Dark matter is something in the universe that cannot be seen, but its effects can be detected through its gravitational influence on other objects.
Answer for screen readers
Dark matter is something in the universe that cannot be seen, but its effects can be detected through its gravitational influence on other objects.
More Information
Dark matter is a crucial component of the universe, composing about 27% of its total mass and energy. Despite being invisible and not interacting with electromagnetic forces, its presence is inferred from its gravitational effects on visible matter, such as galaxies and stars.
Sources
- If dark matter is 'invisible,' how do we know it exists? | Space - space.com
- Dark matter | CERN - home.cern
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