名义上
发表于 2025-3-30 10:44:20
Meteors: A Delivery Mechanism of Organic Matter to the Early Earthmeteors” in rarefied flows of high (up to 270) Mach number. The recent Leonid showers offered a first glimpse into the elusive physical conditions of the ablation process and atmospheric chemistry associated with high-speed meteors. Molecular emissions were detected that trace a meteor’s brilliant l
PAC
发表于 2025-3-30 12:41:18
Search for Organic Matter in Leonid Meteoroidsnid meteor spectra at 387 nm. CN is an expected product of ablation of nitrogen containing organic carbon in the meteoroids as well as a possible product of the aerothermochemistry induced by the kinetic energy of the meteor. A slit-less spectrograph with objective grating was deployed on FISTA duri
严厉谴责
发表于 2025-3-30 18:00:23
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Celiac-Plexus
发表于 2025-3-30 23:55:31
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没血色
发表于 2025-3-31 03:12:37
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MINT
发表于 2025-3-31 08:37:49
Search for Extraterrestrial Origin of Atmospheric Trace Molecules — Radio Sub-Mm Observations duringof atmospheric HCN. HCN radio observations at CSO (Hawaii) on Nov 18/19, 1999, the night after the second Leonid shower maximum, show unusually low HCN abundances above 45 km altitude, which are only recovered after sunrise. We also investigated UARS/HALOE satellite data on H.O and O.. No correlatio
Ambiguous
发表于 2025-3-31 10:00:39
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忘川河
发表于 2025-3-31 14:01:07
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conscience
发表于 2025-3-31 19:23:14
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Statins
发表于 2025-4-1 01:16:56
Lorentz Shaped Comet Dust Trail Cross Section from New Hybrid Visual and Video Meteor Counting Technoperators from airborne platforms. A total of 33,000 Leonids, recorded on video during the 1999 Leonid storm, were watched by a team of visual observers using a video head display and an automatic counting tool. The counts reveal that the activity profile of the Leonid storm is a Lorentz profile. By