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SpeakBase Times·Science·
Record 220 PeV Cosmic Neutrino Caught in Mediterranean Sea Points Scientists Toward Blazars as Source
New research published in May 2026 has identified blazars, supermassive black holes firing jets directly toward Earth, as the likely source of KM3-230213A, the most energetic neutrino ever detected. The particle struck the KM3NeT underwater detector array in the Mediterranean Sea on February 13, 2023 carrying 220 PeV of energy, more than 30 times the previous neutrino energy record. The finding, amplified by ScienceDaily on May 23, 2026, places KM3NeT alongside the IceCube observatory as a key instrument in the emerging science of multi-messenger astrophysics.
By SpeakBase Times Editorial Team
Level 1 - Absolute Beginner
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Reading PassageTap highlighted words for definitions
Scientists found a very powerful particle from space. It is called a neutrino. It hit a special detector under the sea.
The particle hit the KM3NeT detector in the Mediterranean Sea. It had more energy than any neutrino ever found before.
Scientists think the particle came from very far away in space. It may have come from a type of black hole called a blazar. This is a very important discovery.
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Key Vocabularyneutrino —a tiny particle from space that can pass through almost any material
detector —a machine that can find and measure particles or radiation
energy —the power that makes things move, heat up, or change
Mediterranean Sea —the large sea surrounded by Europe, Africa, and Asia
blazar —a type of black hole that shoots a powerful beam of energy directly toward Earth
scientist —a person who studies the natural world and does research experiments
particle —a very small piece of matter, often far too small to see
discovery —finding or learning something new for the first time
Exercises
Multiple Choice
1What is a neutrino?
2Where is the KM3NeT detector?
3How much more energy did this neutrino have than past records?
4What is a blazar?
5When was the neutrino detected?
True or False
6The neutrino was found in the Pacific Ocean.
7Scientists think the neutrino may have come from a blazar.
8This is the first neutrino ever detected anywhere in the world.
9The neutrino had much more energy than any neutrino found before.
10The KM3NeT detector is located on top of a mountain.
Fill in the Blank
11The particle from space is called a ___.
12The detector is under the ___ Sea.
13Scientists think the neutrino came from a type of black hole called a ___.