Today I saw something that passed like a jet. But am sure it's not so because jet will leave a long track of its passage. It moved in a straight line with sparkling track and what I saw was observed even from 200kms away from my destination. What could it be?enter image description here

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    $\begingroup$ Where, when? Did you see the object moving? Was it bright and fast? (so that only last a couple of seconds) You say it "passed like a jet" that normally take longer than that. Please edit to add details. $\endgroup$ – James K Mar 6 '18 at 14:32
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    $\begingroup$ because jet will leave a long track Not true - this totally depends on the circumstances at the planes altitude (temp, humidity, wind). $\endgroup$ – user1569 Mar 6 '18 at 20:17
  • $\begingroup$ Once I saw a meteor at might and it looked as sparking as in a cartoon. The many I saw were just traces but that one was much more round headed leaving sparks. Perhaps it was the same in your case. But it wasn't lasting more than 1 second $\endgroup$ – Alchimista Mar 7 '18 at 10:45

It is most likely a jet contrail. Not all contrails are persistent, and a high altitude jet can be seen over a great distance.

A fireball may leave a trail, but if it does, then it is likely to persist for as long or longer than a jet contrail. A fireball appears to move much faster than a jet, crossing the sky in a few seconds. It also appears to be very bright.

The image and description both point to this being a jet.


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