Massive meteor lights up Java sky, sparks social media buzz

A spectacular meteor sighting captivated social media on Saturday night, July 11, 2026, as a bright object blazed across the skies of Java. Numerous residents shared videos of the luminous phenomenon, with some reporting a sonic boom shortly after its passage.

Thomas Djamaluddin, an astronomy and astrophysics researcher at Indonesia's National Research and Innovation Agency (BRIN), identified the event as a large meteor entering Earth's atmosphere. Meteors, originating from space rocks orbiting the sun, ignite due to intense friction with the atmosphere upon entering at extreme velocities. This friction heats the surface, causing it to glow.

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Friction with the atmosphere causes its surface to heat up until it glows and appears as a meteor.

The glowing process begins around 120 kilometers above Earth's surface, where the space rock's material ablates and erodes due to extreme temperatures, producing a brilliant light. The meteor observed Saturday night traveled southeastward, first detected over the Java Sea before appearing over Bekasi around 9:22 PM Western Indonesian Time. Initially appearing as a small white object, it intensified as it descended into denser atmospheric layers.

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The color variations are a common phenomenon in meteors, influenced by the composition of the constituent minerals and the atmospheric conditions it passes through.

Observers noted distinct color variations, with reports of a blue meteor in Majalengka and a bright green glow over Yogyakarta. Djamaluddin explained that these color shifts are common and depend on the meteor's mineral composition and the atmospheric conditions it encounters. Green hues, for instance, often indicate the burning of magnesium or nickel at high temperatures.

Based on trajectory analysis, the meteor was estimated to continue southeastward, likely disintegrating over the Indian Ocean south of East Java or Bali. In eastern West Java, residents in Cirebon and Kuningan reported hearing a sonic boom after the meteor passed, a phenomenon Djamaluddin clarified is not caused by an explosion but rather the rapid atmospheric entry.

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Each chemical element has a different light spectrum when heated.