Asteroid Phaethon May Be Losing Sodium As It Heats

Asteroid 3200 Phaethon, the origin of the dust that causes the Geminid meteor shower, may be losing sodium due to solar heating as it orbits.

IMAGE: The Milky Way and a meteor from the Perseids meteor shower, taken from the White Desert in Egypt. CREDIT: Ahmed abd Elkader Mohamed

Has everyone been enjoying the Perseids meteor shower this year? I know there are a lot of sky issues with rain (for people who still get rain)…



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Beth Johnson

Planetary scientist, podcast host. Communication specialist for SETI Institute and Planetary Science Institute. Buy me a coffee: