In the 1970s, Vera Rubin found a similar mystery in spiral galaxies. Stars on the edges moved too fast to stay bound by visible matter, suggesting the presence of an invisible substance.
Photo Credit: NASA
Dark matter is a mysterious, invisible substance. Its exact nature and particle mass remain unknown, making it difficult to study.
Photo Credit: NASA
Though invisible, dark matter interacts with normal matter through gravity.
Photo Credit: NASA
Dark matter shapes the universe. Scientists map it by studying galaxy clusters and their gravitational effects.
Photo Credit: NASA
Light travels in straight lines, but massive objects like galaxy clusters curve space-time, bending light around them.
Photo Credit: NASA
By studying dark matter, scientists hope to understand its nature, solving one of the biggest mysteries in modern astronomy.
Photo Credit: NASA
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