Sign up for CNN’s Wonder Theory newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more.
CNN
–
Don’t Care That Halloween Is Over, Because “Halloween Fireballs” As NASA calls themcan still be seen brightly in the night sky over the next few weeks, thanks to southern meteor showers from the Taurids.
The estimated peak showers are not until Saturday 5 November, According to EarthSkyand the Taurids are famous for producing the brightest fireballs – meteors that can appear Brighter than Venus.
This year’s shower is expected to include an increasing number of fireballs, known as the Taurid Swarm. Usually Southern Taurids Just It features about five meteors per hour surrounding its peak, which is the point at which the Earth is closest to the center of the debris stream. But every seven years, Jupiter’s gravity pulls the meteor current and causes a sudden rise in their numbers.
“With the normal rate of fireballs, someone would have to sit outside for 20 hours straight to see one,” said Robert Lunsford, fireball report coordinator for the American Meteor Society. “With Taurids,[that time]can be reduced a little bit, maybe to five hours. And if you’re really lucky, you can just go out and see one of them in a few minutes. When they show up quite unexpectedly.”
Taurids are the result of the breakup of a A very large comet about 20,000 years ago. Among other debris, this disintegration created Comet Encke, which orbits the Sun for just over three years and is the shortest of any major comet in our Solar System. With each pass of the Earth in its short orbit, it leaves behind a trail of debris. This route includes the South TauridsAnd the It is a mass so large that it takes our planet several weeks to pass through it.
“Most meteor showers contain small bits of dust. Well, the Taurids… well, Taurids … also contain some large particles,” said Bill Cook, chief of NASA’s Meteorite Environment Office. “And you’ll see, while the shower is active, not the dust particles, but Pebble-sized particles – some the size of a football and even bigger, which of course produces amazing, wonderful fireballs.”
Taurids fireballs are meteorites over a meter wide, and they shine exceptionally well, According to NASA. They are moving slowly as they hit Earth’s atmosphere at a perpendicular angle, such that they can be seen moving across the sky for a few seconds, versus a millisecond of the visibility that most meteors produce. According to Lunsford, the brighter, longer-lived meteors can be seen crumbling and disintegrating as they travel across the sky. Fireballs are often colored and appear red, orange, or yellow.
“It’s going to be a shooting star,” said Mike Hankey, director of operations for the American Meteor Society and creator of its fireball tracking program. “But instead of lasting half a second, it might last three or four seconds, and instead of being as bright as a star, it might be as bright as the moon — and sometimes even brighter.”
This year, the meteorite community has already recorded an above-average increase in fireballs, while NASA has photographed fireballs that appear brighter than the moon in the night sky.
The best time to get outside and spot a fireball will be 2 a.m. local time for the whole of next week, according to Lunsford. As the moon approaches the full moon phase set for November 8, its brightness will begin to disable the chances of seeing faint meteors, but fireballs, due to their size and brightness, can be seen anywhere in the world, at any time during the night.
There are four more meteor showers you can see in the remainder of 2022, according to EarthSky Meteor Shower 2022 Guide:
• November 12: North Taurids
• November 18: Leonids
• December 14: Gemini
• December 22: Ursids
And there are two more from the full moon The old farmer’s calendar for 2022:
• November 8: Beaver Moon (which will peak next to the total lunar eclipse)
• December 7: Cold Moon
