Strange happening on Mars [explained]

Devil Girl from Mars (1954)

The moons of Mars are not quite like our Earth’s Moon. Phobos, the larger of the two, is much closer to its planet; compared to the Moon’s 27-day orbit, Phobos swings around Mars in line with the planet’s equator thrice every Martian day (sol).

Solar eclipses, therefore, are much more frequent than those here on Earth. Phobos passes in front of – but never entirely covers – the Sun for an annular or partial eclipse somewhere on Mars most sols. Because Phobos is moving so fast, it never transits for more than 30 seconds…

To the surprise of Mars scientists, during Phobos eclipses, the lander’s seismometer – the instrument that records ground motions to monitor possible quake activity – tilts, just an infinitesimal little bit, towards one side.

Take a guess at why this occurs. Then, RTFA, and get the real scoop. [Cripes…I almost said “nitty-gritty”. How’s that for dating myself?]

4 thoughts on “Strange happening on Mars [explained]

  1. Elwin Ransom says:

    “We know now that in the early years of the twentieth century this world was being watched closely by intelligences greater than man’s, and yet as mortal as his own. We know now that as human beings busied themselves about their various concerns they were scrutinized and studied, perhaps almost as narrowly as a man with a microscope might scrutinize the transient creatures that swarm and multiply in a drop of water.
    With infinite complacence people went to and fro over the earth about their little affairs, serene in the assurance of their dominion over this small, spinning fragment of solar driftwood which, by chance or design, man has inherited out of the dark mystery of Time and Space.
    Yet across an immense ethereal gulf, minds that are to our minds as ours are to the beasts in the jungle, intellects vast, cool and unsympathetic, regarded this earth with envious eyes and slowly and surely drew their plans against us.”
    Orson Wells (opening narration) “The War of the Worlds” by H. G. Wells as performed by ‘Orson Welles & the Mercury Theater on the Air’ broadcast on the Columbia Broadcasting System on Sunday, October 30, 1938 from 8:00 to 9:00 P. M. https://www.youtube.com/watch?v=Xs0K4ApWl4g
    Orson Wells was 23 years old at the time. The adaptation of H.G. Wells’ novel and script for the broadcast was written by Howard Koch, who was later blacklisted. https://en.wikipedia.org/wiki/Howard_Koch_(screenwriter)

  2. Marvin says:

    “The battle for Mars: How Elon Musk, Blue Origin, and the US could set up the first extraterrestrial government” https://www.independent.co.uk/life-style/gadgets-and-tech/elon-musk-mars-spacex-nasa-b1777746.html
    “Elon Musk’s SpaceX will ‘make its own laws on Mars’ : ‘No Earth-based government has authority or sovereignty over Martian activities,’ SpaceX claims” https://www.independent.co.uk/life-style/gadgets-and-tech/elon-musk-spacex-mars-laws-starlink-b1396023.html

  3. Spring fever says:

    “Researchers at Trinity College Dublin have been shedding light on the enigmatic “spiders from Mars”, providing the first physical evidence that these unique features on the planet’s surface can be formed by the sublimation of CO2 ice.
    Spiders, more formally referred to as araneiforms, are strange-looking negative topography radial systems of dendritic troughs; patterns that resemble branches of a tree or fork lightning. These features, which are not found on Earth, are believed to be carved into the Martian surface by dry ice changing directly from solid to gas (sublimating) in the spring. Unlike Earth, Mars’ atmosphere comprises mainly of CO2 and as temperatures decrease in winter, this deposits onto the surface as CO2 frost and ice.” https://www.eurekalert.org/pub_releases/2021-03/tcd-trt032221.php
    NASA 2018: “Jamming with the ‘Spiders’ from Mars” https://www.nasa.gov/image-feature/jpl/jamming-with-the-spiders-from-mars

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