annular solar eclipse phases composite panorama moon covers the sun`s visible outer edges to form a total `ring of fire` india

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