giabt slugs trails found on Mars?

You can run but you can't hide. They are everywhere. Giant slug marks. What
could cause them? Dark contrail like features everywhere. Scientist baffled.

http://marsrovers.jpl.nasa.gov/galle...Horizon_hills_
azimuths-A11R1.jpg

6MB download




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"Lynndel Humphreys" writes:

You can run but you can't hide. They are everywhere. Giant slug marks.
What could cause them? Dark contrail like features everywhere.
Scientist baffled.

http://marsrovers.jpl.nasa.gov/gallery/press/spirit/20040113a/Horizon_hills_azimuths-A11R1.jpg

6MB download

Scientists are not the _least_ bit "baffled" by these markings: They have
been known and understood almost since the earliest mars orbiters, and are
caused by "dust devils" picking up the light-colored fine dust from off of
the martian surface to expose the darker "soil" underneath.

"Dust devils" are a quite common weather phenomenon on Mars, and there
are a number of very nice orbital photos that have caught them in the act
of vacuuming up the dust and "fines" off the surface, leaving exactly
such a "worm trail" behind them.


-- Gordon D. Pusch

perl -e '$_ = \n"; s/NO\.//; s/SPAM\.//; print;'

"Lynndel Humphreys" wrote:
You can run but you can't hide. They are everywhere. Giant slug marks. What
could cause them? Dark contrail like features everywhere. Scientist baffled.

http://marsrovers.jpl.nasa.gov/galle...Horizon_hills_
azimuths-A11R1.jpg


From remarks elsewhere, you shuld probably not think Santa Cruz --
and maybe Taz would have been a better mascot than Marvin!

(another poster has talked about dust devil trails)

/dps

Gordon D. Pusch wrote:
Scientists are not the _least_ bit "baffled" by these markings: They have
been known and understood almost since the earliest mars orbiters, and are
caused by "dust devils" picking up the light-colored fine dust from off of
the martian surface to expose the darker "soil" underneath.

"Dust devils" are a quite common weather phenomenon on Mars, and there
are a number of very nice orbital photos that have caught them in the act
of vacuuming up the dust and "fines" off the surface, leaving exactly
such a "worm trail" behind them.

Speaking of wind(!) - what does MER use to measure wind velocity? actualy, a
better question would be: Is it measuring wind velocity?

Cheers,
Richard