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  1. Kilonova - Wikipedia

    A kilonova (also called a macronova) is a transient astronomical event that occurs in a compact binary system when two neutron stars (BNS) or a neutron star and a black hole collide. [1]

  2. Kilonovas Are Some of the Biggest, Baddest Stellar Blasts in Space

    Jun 9, 2023 · A kilonova is an explosion resulting from the collision of two neutron stars, or a neutron star and a black hole. These events are extremely energetic, and can release as …

  3. What are kilonovas? | Space

    Oct 9, 2023 · A kilonova is a bright blast of electromagnetic radiation that happens when two neutron stars or a neutron star and a stellar-mass black hole collide and merge.

  4. Kilonova

    For the first time in history, we have connected these elusive gravitational waves with an electromagnetic companion: a kilonova. Why do kilonovae matter?

  5. How Close is Too Close to a Kilonova? - Universe Today

    Oct 23, 2023 · But there's no real need to worry. Given the rarity of neutron star mergers in the galaxy, the chance of Earth being close to a kilonova is essentially zero.

  6. 34 Facts About Kilonova

    Feb 22, 2025 · A kilonova is a cosmic event that occurs when two neutron stars or a neutron star and a black hole collide. This collision results in a massive explosion, releasing an enormous …

  7. Kilonova – Definition & Detailed Explanation - Sentinel Mission

    Aug 20, 2025 · A kilonova is a rare astronomical event that occurs when two neutron stars or a neutron star and a black hole merge together. This collision releases an immense amount of …

  8. Neutron Star Collision Creates Kilonova - Science@NASA

    Oct 16, 2017 · Five days after an August 17 gravitational wave event, the Hubble Space Telescope pointed its spectrograph at an associated bright flare called a kilonova (which is a …

  9. Scientists Found 10 Million-Year-Old Remnants of a Massive Kilonova

    Mar 21, 2025 · Kilonovas occur when binary neutron stars spiral closer and closer to each other until they finally collide and release tons of heavy elements into space. Our best chance of …

  10. How a ‘Kilonova’ Explosion Nearby Could End Life on Earth

    Feb 6, 2024 · Being too close to two neutron stars colliding spectacularly may be catastrophic for a planet like Earth, scientists have calculated. This type of cosmic event is known as a …