Arsia Mons Anomaly?, Recent Mars Express Imagery shows odd feature |
Arsia Mons Anomaly?, Recent Mars Express Imagery shows odd feature |
Sep 25 2018, 12:02 AM
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#1
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Senior Member Group: Members Posts: 1444 Joined: 26-July 08 Member No.: 4270 |
Is that a Plume on Arsia Mons?
https://scilogs.spektrum.de/go-for-launch/i...-on-arsia-mons/ Images of the Tharsis region show the emergence of a new prolonged feature that appears to cast a long shadow. It is not visible in this attached image from 06 August 2018. Then we can see something newish near Arsia Mons (the vertical streak) in this image from 19 Sep 2018. And then most striking is this image from 23 Sep 2018, where it appears that a significant shadow is cast (in the direction of the streak in the last image, admittedly). I'm not familiar enough with Martian meteorology to know if this is just a normal occurrence, but it does look weird, at least to me. Hopefully someone will have ideas. If the answer to this is obvious then feel free to lock and/or delete the thread. -------------------- -- Hungry4info (Sirius_Alpha)
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Nov 13 2018, 05:14 PM
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Merciless Robot Group: Admin Posts: 8784 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
ADMIN MODE: This thread is right on the knife edge of being closed. Arsia Mons is not erupting or otherwise venting, and further speculation of that nature WILL result in permanent closure. Posts hidden. Please refrain from any further speculation of that nature.
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Nov 16 2018, 06:02 AM
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#3
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Junior Member Group: Members Posts: 20 Joined: 22-February 06 Member No.: 688 |
Changing course...
Is there a limitation on conventional landings with chutes happening near one of the Tharsis 4? Atmosphere must be extra thin up there. The huge flat caldera on Arsia seems to beckon for a lander or rover. The "spiral cloud" (caldera confined circulating aerosol suspension) might make things interesting as an engineering challenge. What use is there for a high altitude station on Mars? -------------------- UMSF Newbie since 2006.
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Nov 16 2018, 07:08 AM
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#4
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Senior Member Group: Members Posts: 2520 Joined: 13-September 05 Member No.: 497 |
Is there a limitation on conventional landings with chutes happening near one of the Tharsis 4? https://marsnext.jpl.nasa.gov/scieng_eng.cfm says that the Mars2020 landing site, for example, has to be below -0.5 km MOLA elevation, with respect to the MOLA geoid. So you can forget about landing on the volcanoes unless you are using purely propulsive landing (no parachutes.) -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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Guest_mcmcmc_* |
Nov 16 2018, 10:40 AM
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#5
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Guests |
https://marsnext.jpl.nasa.gov/scieng_eng.cfm says that the Mars2020 landing site, for example, has to be below -0.5 km MOLA elevation, with respect to the MOLA geoid. So you can forget about landing on the volcanoes unless you are using purely propulsive landing (no parachutes.) why don't landers make aerobraking in orbit rather than landing directly? There would be much less energy to dissipate (just potential energy from 100km altitude rather than all the energy produced by the launcher). |
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