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originally posted by: Zaphod58
a reply to: grey580
Almost certainly a high altitude (normal cruising altitude) plane. The "dust" at the end is the contrast that lets you briefly see the exhaust from the engines. There's too much heat haze to see them when its in front of the moon, and once it's past that point there isn't enough contrast to see it.
originally posted by: Zaphod58
a reply to: grey580
Almost certainly a high altitude (normal cruising altitude) plane. The "dust" at the end is the contrast that lets you briefly see the exhaust from the engines. There's too much heat haze to see them when its in front of the moon, and once it's past that point there isn't enough contrast to see it.