Bilanga | which depends on its composition | higher for non-spherical, flattened or angular meteoroids | orthopyroxene, olivine, chromite; pigeonite, calcic plagioclase, silica | during meteor phase | conical from preferential ablation during atmospheric passage | it fragments because smaller pieces with less mass are more easily slowed by the atmosphere | oriented meteorite | no chondrules | size is between 3 micrometers and 3 millimeters | during meteor phase which depends on composition | crater | Bilanga Yanga and Gomponsago, Burkina Faso, Africa | 10:30 am October 27, 1999 | | cumulates, crystallized melts, impact mixing | cooling in deep underground chambers | Bilanga | | what witnesses saw or what was recorded by instruments | negligible due to quick recovery of meteorite before corrosion begins | ADIO | | during impact phase | | higher because the fall was witnessed | 68 kg | when it hits the ground which is smaller than its velocity before it enters the atmosphere | 12° 27' N., 0° 05' W. | hyperstene | often minerals not found on Earth | which can over an order of magnitude greater than total mass of fragment(s) collected at the impact site | large if the fall was witnessed | | formed by separation of molten rock in a gravity field | 25 kg |
 | 8 | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | directly proportional to initial velocity | power outages and failures in electrical equipment due to EMP (electromagnetic pulse) | very slow | | Howardite, Eucrite, Diogenite | which appears as an elongated footprint which depends on impact angle, airbursts, and impact velocity | coarse-grained orthopyroxenites, gabbros, fine- to coarse-grained basalts, brecciated |