Have scientists discovered a dark matter particle?
Summary
Scientists working deep underground in South Dakota detected a single unusual particle event that might be related to dark matter, a mysterious substance thought to make up much of the universe. While this finding is promising, researchers say it is not a direct confirmation of dark matter.Key Facts
- Dark matter is an invisible substance making up about 27% of the universe’s matter, with ordinary matter only 5%.
- It cannot be seen directly because it does not emit or reflect light but is detected through its gravitational effects.
- The LUX-ZEPLIN (LZ) experiment uses a tank of liquid xenon underground to detect possible dark matter particles by looking for flashes of light from particle interactions.
- The experiment recorded one unexplained event on June 16, 2023, that matches the expected signal of a dark matter particle called a WIMP (weakly interacting massive particle).
- The LZ experiment is run by 250 scientists from 38 institutions and collected data from March 2023 to April 2024.
- Scientists emphasize this event is not proof of dark matter but is important because their equipment and background noise are well understood.
- NASA is launching the $4 billion Nancy Grace Roman Space Telescope to study dark matter and dark energy further.
- Dark energy is another invisible force thought to make up 68% of the universe and causes it to expand faster.
Read the Full Article
This is a fact-based summary from The Actual News. Click below to read the complete story directly from the original source.
