Meteor Showers

Geminid Meteor Shower: Everything You Need to Know

What is the Geminid Meteor Shower?

The Geminid meteor shower is an annual celestial event that occurs when the Earth passes through the debris trail of an asteroid named 3200 Phaethon. This rocky space object behaves like a comet, producing a tail of debris as it approaches the sun. When the Earth crosses 3200 Phaethon’s orbit, its debris particles collide with our planet’s atmosphere, burning up and creating bright streaks of light known as shooting stars.

When and Where to Watch the Geminid Meteor Shower

The Geminid meteor shower is expected to peak on the nights of December 13 and 14, 2023. It will be visible throughout the night sky, but the best viewing time is typically between 10 p.m. and 2 a.m. local time. The constellation Gemini will be highest in the sky at 2 a.m., giving you the best view of the meteors. However, you don’t need to look directly at Gemini to see the meteors. Instead, keep your gaze roving over the entire night sky.

How to Improve Your Chances of Seeing the Geminid Meteor Shower

• Find a dark sky area. Light pollution from cities and towns can make it difficult to see meteors. If possible, venture out to a certified dark sky area or somewhere far from light pollution, like a state park, national park, or national forest.
• Give your eyes time to adjust to the dark. It takes about 20 to 30 minutes for your eyes to adjust to the dark and reach their maximum sensitivity. Avoid looking at bright lights during this time, as it will reduce your night vision.
• Use a red headlamp or flashlight. If you need to see in the dark, use a red headlamp or flashlight. Red light is less disruptive to your night vision than white light.
• Bring a friend. Two people can watch in different directions and call out when they see a meteor. This technique will allow you to see more meteors than one person watching alone.

Tips for Viewing the Geminid Meteor Shower

• Start watching early. The Geminid meteor shower will be visible throughout the night, but the best viewing time is typically between 10 p.m. and 2 a.m. local time.
• Be patient. It may take some time to see your first meteor. Don’t get discouraged if you don’t see anything right away.
• Lie down on a blanket or chair. This will help you relax and enjoy the show.
• Dress warmly. It can get cold at night, especially if you’re in a dark sky area.
• Bring snacks and drinks. You may be out for several hours, so it’s a good idea to bring some snacks and drinks to keep you going.

The Origins of the Geminid Meteor Shower

The Geminid meteor shower is unique because it is not associated with a comet, like most other meteor showers. Instead, it is caused by debris from the asteroid 3200 Phaethon. This asteroid was discovered in 1983, and scientists later realized that its orbit aligned with the annual mid-December spectacle.

Earlier this year, data gathered by NASA’s Parker Solar Probe helped astronomers come up with a possible answer to the question of where the meteor-causing material came from. They suspect that some disruptive, violent event, such as a crash with another space rock, occurred thousands of years ago and caused the asteroid to spew out debris.

The Future of the Geminid Meteor Shower

Japan hopes to learn more about 3200 Phaethon with its planned DESTINY+ mission, which is scheduled to launch in 2025. The spacecraft will fly by the asteroid and study its cosmic dust; cameras will also image its surface. This mission could provide new insights into the origins of the Geminid meteor shower.