anton petrov    astronomy    astrophysics    fermi paradox    g type stars    how our sun compares to other stars    m type stars    magnetic field    our solar system is mild    our sun is mild    our sun is strange    physics    proxima centauri    science    solar activity    solar analogues    solar flares around other stars    space engine    steven universe    strangeness of our sun    sun    sun compared to other stars    sun's activity    technology    universe    universe sandbox 2    what da math    whatdamath   

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exoplanets    planets    proxima b    proxima c    proxima centauri    radial velocity    stars   

breakthrough    earth    exoplanets    planets    proxima centauri    space    space exploration    stars   

alpha centauri    breakthrough starshot    can humans survive interstellar travel?    can we travel to other planets?    can we travel to other solar systems?    can we travel to other stars?    em drive    faster than light    interstellar probe    interstellar propulsion methods    interstellar travel    interstellar travel possible    jimiticus    light speed    project daedalus    project icarus    proxima centauri    solar sail    space propulsion    space travel    spacecraft    speed of light