rare annular solar eclipse total phases composite during totality popularly called "ring of fire" , shot from tamil nadu

2019 2020 2021 africa america annular antumbra asia astronomy australia beautiful black center composite contact corona cosmos covers cycle diamond eclipse edges europe fir fireball first flame flare form gamma greatest hybrid image india limit magnitude moon nasa obscuration one outer panorama partial penumbra phase phases phenomenon photosphere planet plasma prominence ring science second solar space stage suns sunspot total totality umbra universe visible