EarthSky, which offers night sky and science news. Leonids are also known for their fireballs, which are larger explosions of light and color that can persist longer than an average meteor streak, as well as "earthgrazers," which are meteors that streak close to the horizon and are known for their long and colorful tails, NASA says.FILE - Leonids meteor streaks across the sky over Gudul district of Ankara, Turkey on Nov.
17, 2020. (Photo by Dogukan Keskinkilic/Anadolu Agency via Getty Images) Skywatchers can expect to see anywhere from 10 to 15 meteors an hour at the peak of the Leonid meteor shower, according to EarthSky.