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Living the Leonids

Living the Leonids


Date: 16 November 1999

This plot, taken in the Algarve by COOA on the morning of November 17, shows the signature of two fireballs disintegrating over the sky in Portugal. When the first fireball exploded, a cloud of inisation was released, which drifted off in several directions. The three yellow patches are probably due to patches of ionisation in different layers of the atmosphere which drift in different directions, and therefore impart three different Doppler shifts to the relflected signal. The second fireball signature is much more complicated, and shows evidence of some stratified motion prior to the final disintegration. Image: COOA, Portugal
Last Update: 1 September 2019
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3-Jan-2025 08:07 UT

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