10% of Space Dust on Earth Traced Back to An Asteroid Nobody Has Ever Seen
Scientists have discovered evidence of a 'missing' asteroid type by analyzing cosmic dust that lands on Earth. This finding suggests that micrometeorites can provide valuable data about space bodies not represented in current meteorite collections.
Why it matters
It expands our understanding of the solar system's composition by utilizing accessible cosmic dust as a proxy for studying distant asteroids.
Add ScienceAlert on Google Thousands of tons of cosmic dust, like this micrometeorite pictured above, land on Earth every year. (Nicola Angeli/MUSE/Wikimedia Commons, CC BY-SA 3.0) Earth is under constant bombardment.
Scientific reporting on space exploration and planetary science.
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