How to Watch the Perseids Meteor Shower — the Ultimate Celestial Event of the Summer People 1 hr ago Summer is quickly passing by — but not without the ultimate meteor shower event! The 2021 Perseids Meteor Shower, which is considered to be the best meteor shower of the year, is expected to start lighting up skies on Wednesday, according to NASA. Known for fireballs, which are larger explosions of light and color that last longer than an average meteor streak, the Perseids typically light up skies on warm summer nights, leaving "long 'wakes' of light and color behind them," the space agency reported.