Astronomy

We often hear that meteors are tiny — a speck of dust or, at most, a pebble — and that the size of a meteor trail is based on how big the particle is. But what about the ...

Meteors (the streak of light you see) are indeed caused by particles that are much smaller than most people expect! These particles, most of which are thought to be a mixture of ice and dust, are ...
Space.com

Potentially Damaging Meteor Shower in October Highlights Risk to Spacecraft

Next week, Earth's annual October encounter with the Draconid meteor shower will peak as our planet passes through several trails of tiny rocks and dust from the comet 21P/Giacobini–Zinner. But the ...
National Academies of Sciences%2c Engineering%2c and Medicine

Limiting Future Collision Risk to Spacecraft: An Assessment of NASA's Meteoroid and Orbital Debris Programs

NOTE: ZHR, zenithal hourly rate, the approximate number of shower-related meteors an observer would see under ideal conditions; Max Date, the date at which the highest flux of meteors is normally ...
SpaceNews

Study Reveals MESSENGER Watched a Meteoroid Strike Mercury

NASA’s MErcury Surface, Space ENvironment, GEochemistry and Ranging (MESSENGER) mission to Mercury has been out of operation for nearly six years, but the data it collected keeps on giving, from ...
Indiatimes

Delhi-NCR meteor 2025: Space debris or real meteor? The science of meteors explained — speed, size, and composition

On September 20, 2025, Delhi-NCR residents witnessed a spectacular celestial event around 1:20 AM. A bright fireball streaked across the sky, breaking into glowing fragments, leading to widespread ...
Gizmodo

A Realtime Map Of The Meteoroids In Earth’s Sky

Curious about just how many meteoroids are streaking through the sky above you? Wonder no more with this realtime map generator that shows you exactly how to find them. The generator is the work of ...