Friday , October 23 2020

Could There Be Life On The First Earth-Sized, Habitable Zone Planet Found By NASA's TESS? – Forbes, Forbes.com


     

        

       

    An ocean-covered planet with a modest CO2 atmosphere, with the other properties of planet TOI 700 d,

       NASA’s Goddard Space Flight Center / Chris Smith (USRA)  

     

    Announced on January 6, ********************************************************************************************,NASA’s TESS mission has just discovered & nbsp; its first Earth-sized, habitable zone planet

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    The habitable zone is the range of distances from a star where liquid water might pool on the… [ ]

          NASA / Kepler Mission / Dana Berry  

     

    If it has an Earth-like atmosphere, it could possess liquid water on its surface. 

       

     

      

       

    NASA’s TESS satellite surveys the entire sky in chunks that are approximately (degrees in radius,

     

    TESS works by surveying different slivers of the sky one month at a time in succession.

     

       

     

      

       

    An illustration of NASA’s TESS satellite and its capabilities of imaging transiting exoplanets.

       NASA  

     

     

    The polar areas receive the greatest coverage, and include the region where the star TOI 700 is located.  

        

       

       NASA’s Goddard Space Flight Center / Chris Smith (USRA)  

     

    Appearing in & nbsp; 11 & nbsp; independently viewed TESS sectors, TOI & nbsp; possesses at least 3 planets orbiting it. (**********************************  

      ***********)  

     

      

       

    An X-class solar flare erupted from the Sun’s surface in 2019. Around a large number of red dwarf

     

    Although TOI is an M-class red dwarf, it exhibits no flaring, benefitting potential lifeforms.  

      ************************************************************************************ (x) . jpg “alt=” The outermost planet in this particular system, TOI (d, is only 19% larger than Earth, but causes … [ ] a recurrent flux dip of approximately 0. (**************************************************************************************************************************************% in the star’s light with a ~ 86 day period. This translates to the planet receiving 200% of the energy that our Earth receives from the Sun. “data-height=780 “data-width=” ”>

     

     

      

       

          NASA’s Goddard Space Flight Center / Chris Smith (USRA)  

     

    The third planet from the star & nbsp;

    ********************** (- ****************************************************************************************************************** d & nbsp;

        

       

       

       Chen and Kipping, (************************************************************************************************, via https://arxiv.org/pdf/(***************************************************************************************************. ********************************************************************************************** (v2.pdf) ************************   

     

    Even though the planet is likely to be tidally locked, with the same face always towards its star, it’s still & nbsp; potentially habitable.  

       

     

      

       

    All inner planets in a red dwarf system will be tidally locked, with one side always facing the star… [ ]
    and one always facing away, but with a ring of potential Earth-like habitability between the night and day sides. Even though these worlds are so different from our own, we have to ask the biggest question of all: could one of them still potentially be harboring life?       NASA / JPL-Caltech   

     

    Everything depends on the composition of the atmosphere and how energy flows around the world.

     

      ******************************************************************************************** “> 

     

      

       

    If TOI d were a wet, ocean-covered world with a rich CO2 atmosphere similar to early Mars, it

    A & nbsp; CO2-heavy atmosphere creates a uniformly hot world, where life is strongly disfavored. (**********************************************  

        

       

    If TOI d were a cloudless, dry-land planet with an atmosphere similar to modern Earth, there

          Engelmann-Suissa et al./NASA’s Goddard Space Flight Center

      

     

    For contrast, a cloudless, oceanless world with an Earth-like atmosphere possess sunward-directed winds and & nbsp; various temperature zones . 

      )  

     

      

       

    is much smaller and less powerful than the upcoming James Webb (center). However, in order to get the resolution and contrast necessary to determine the atmospheric contents of an Earth-sized planet around a M-class star like TOI (located ~) ************************************************************************************************************************** light-years away, a more powerful telescope, such as the proposed LUVOIR observatory, will be necessary.

           Matt Mountain / AURA   

     

    Technologies beyond James Webb will be required to determine its true composition.

      

    Mostly Mute Monday tells an astronomical story in images, visuals, and no more than words. Talk less; smile more.


    ******************    

      

       

    An ocean-covered planet with a modest CO2 atmosphere, with the other properties of planet TOI 700 d, … [ ]

    ************************************************************* NASA’s Goddard Space Flight Center / Chris Smith (USRA)  

     

    Announced on January 6, ********************************************************************************************, NASA’s TESS mission has just discovered its first Earth-sized, habitable zone planet

    .

        

      

       

    The habitable zone is the range of distances from a star where liquid water might pool on the… [ ]

        NASA / Kepler Mission / Dana Berry  

     

    If it has an Earth-like atmosphere, it could possess liquid water on its surface. (****************************************************************     

      

       

    NASA’s TESS satellite surveys the entire sky in chunks that are approximately

    ****************************************************************************************************************** degrees in radius, … [ ]
    ranging from the galactic poles down to near the galactic equator. As a result of this surveying strategy, the polar regions see more observing time, making TESS more sensitive to smaller and more distant planets in those systems.    NASA / MIT / TESS  

     

    TESS works by surveying different slivers of the sky one month at a time in succession.

        

      

       

    An illustration of NASA’s TESS satellite and its capabilities of imaging transiting exoplanets. … [ ]Kepler has given us more exoplanets than any other mission, but TESS has pushed us over the 4, 01 mark. We are now using TESS to identify Earth-sized, potentially habitable candidates suitable for direct imaging and transit spectroscopy by James Webb and beyond.    NASA  

     

     

    The polar areas receive the greatest coverage, and include the region where the star TOI 700 is located.     

      

       

    Owing to the long-term coverage provided by NASA’s TESS satellite, the star TOI 700 was observed to… [ ]
       ************************************************************* NASA’s Goddard Space Flight Center / Chris Smith (USRA)  

     

    Appearing in 12 independently viewed TESS sectors, TOI 780 possesses at least 3 planets orbiting it.

        

      

       

    An X-class solar flare erupted from the Sun’s surface in (**************************************************************************************************. Around a large number of red dwarf… [ ]
       ************************************************************* NASA / Solar Dynamics Observatory (SDO) via Getty Images

     

     

    Although TOI is an M-class red dwarf, it exhibits no flaring, benefitting potential lifeforms.     

      

       

    The outermost planet in this particular system, TOI d, is only 37% larger than Earth, but causes

    ************************************************ … [ ]

    ****************** a recurrent flux dip of approximately 0. (****************************************************************************************************************************************% in the star’s light with a ~ day period. This translates to the planet receiving 200% of the energy that our Earth receives from the Sun.

       ************************************************************* NASA’s Goddard Space Flight Center / Chris Smith (USRA)  

     

    The third planet from the star –

        

      

       

    The best evidence-based classification scheme of planets is to categorize them as either rocky, … [ ]
    **************** Neptune-like, Jupiter-like or stellar-like. With a radius of 1. (Earth radii, TOI) d is very likely to be rocky, like Earth, rather than gaseous like a mini-Neptune, but a mass measurement will be required to know for certain.   ************************************************************** Chen and Kipping, (****************************************************************************************************, via https://arxiv.org/pdf/(***************************************************************************************************. **************************************************************************************** v2.pdf  

     

    Even though the planet is likely to be tidally locked, with the same face always towards its star, it’s still likely habitable .     

      

       

    All inner planets in a red dwarf system will be tidally locked, with one side always facing the star… [ ]

        NASA / JPL-Caltech  

     

    Everything depends on the composition of the atmosphere and how energy flows around the world.

        

      

       

    (If TOI) ************************************************************************************************************** d were a wet, ocean-covered world with a rich CO2 atmosphere similar to early Mars, it … [ ]

        Engelmann-Suissa et al./NASA’s Goddard Space Flight Center  

     

    A CO2-heavy atmosphere creates a uniformly hot world, where life is strongly disfavored.

        

      

       

    (If TOI) ************************************************************************************************************** d were a cloudless, dry-land planet with an atmosphere similar to modern Earth, there … [ ]

    Engelmann-Suissa et al./NASA’s Goddard Space Flight Center  

     

    For contrast, a cloudless, oceanless world with an Earth-like atmosphere possess sunward-directed winds and various temperature zones.     

      

       

    The Hubble Space Telescope (left) is our greatest flagship observatory in astrophysics history, but … [ ]
    ****************** is much smaller and less powerful than the upcoming James Webb (center). However, in order to get the resolution and contrast necessary to determine the atmospheric contents of an Earth-sized planet around a M-class star like TOI (located ~) ************************************************************************************************************************** light-years away, a more powerful telescope, such as the proposed LUVOIR observatory, will be necessary.

        Matt Mountain / AURA  

     

    Technologies beyond James Webb will be required to determine its true composition.

     


    Mostly Mute Monday tells an astronomical story in images, visuals, and no more than 200 words. Talk less; smile more.


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