The world recognizes June 30 as International Asteroid Day or World Asteroid Day. This day is dedicated to the anniversary of the Tunguska event which took place in 1908 and took place in Siberia, Russia. A giant asteroid explosion in 1908 destroyed 2,150 square kilometers of Siberian forest.
The goal of International Asteroid Day is to educate people around the globe about asteroids. The day also aims to help people better understand the potentially catastrophic consequences of asteroid impacts on the planet. International Asteroid Day is celebrated globally by all member states of the United Nations.
This day calls on global governments to develop strategies to manage a disaster similar to the Tunguska event in the future.
World Asteroid Day 2023: History
In 2014, World Asteroid Day was started. The aim then is to inform the population about potential asteroid threats to Earth.
A major event, the Chelyabinsk meteor event, occurred in 2013. This event highlighted the concept of International Asteroid Day. The very next year, a group of notable officials, including Apollo 9 astronaut Rusty Schweickart, physicist Stephen Hawking, B612 Foundation President Danica Remy, filmmaker Grigorij Richters and astrophysicist Brian May , initiated the idea of International Asteroid Day.
The United Nations officially recognized June 30 as Asteroid Day through a 2016 resolution.
World Asteroid Day 2023: Key details
Date: June 30
Year of establishment: 2015
Adopted by the United Nations: 2016
Purpose: Spread awareness about asteroids. Plan to protect Earth from potential asteroid impacts.
World Asteroid Day 2023: Meaning
International Asteroid Day or World Asteroid Day serves as an annual reminder of how asteroids can have a potentially dangerous impact on our planet. The day highlights events such as the Chelyabinsk incident in 2013 and the Tunguska incident in 1908, and reminds the world of the devastating impact of such events.
The goal of World Asteroid Day is to raise awareness about the possible harm that asteroids can bring to life and resources on Earth. The day calls on global governments to take action to come up with plans to protect the planet from the potential adverse impacts of asteroids on Earth.
Word Asteroid Day 2023: Types of asteroids and related facts
There are three main types of asteroids. These are type C, type S and type M.
C-type asteroid
.This is the most common type of asteroid. They make up about 75% of all known asteroids in the solar system.
The truth about C-type asteroids
- There are many C-type asteroids in the solar system. Among all asteroids, type C is the most numerous.
- This is one of the most ancient celestial bodies in our solar system.
- They have the same spectral classification as carbonaceous meteorites.
- This is one of the darkest celestial bodies among all celestial bodies.
- C-type asteroids have a charcoal-like appearance. This is due to the high carbon concentration.
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S-type asteroid
This type of asteroid is the second most commonly found asteroid in our solar system. S-type asteroids are rocky mineral bodies.
The truth about S-type asteroids
- S-type asteroids include some of the most massive asteroids ever found.
- 7 Iris is the brightest S-type asteroid. It is one of the brightest asteroids found to date.
- Many S-type asteroids have characteristics and spectral compositions similar to those of certain meteorites.
- S-type asteroids make up about 17% of all known asteroids in our solar system.
M-type asteroid
The third most common type of asteroid in the solar system is the M-type asteroid. However, not much is known about these asteroids.
The truth about M-type asteroids
- Many M-type asteroids are made of nickel iron.
- These asteroids typically have an albedo of 0.1 to 0.2. These are moderately bright asteroids
- This is one of the least studied asteroid groups.
- It is located in the middle of the asteroid belt, where M-type asteroids are located.
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Source: pagasa.edu.vn