In September 2024, an asteroid of the size of two football fields, known as 2024 ON, will approach Earth, bringing to light questions and even concerns about the impact that such an event can cause on our planet. Although the idea of an approaching asteroid sounds like something out of a science fiction film, experts ensure that there is no reason for panic. Let us better understand this story and what is really happening.
The Asteroid Coming
According to NASA and other space agencies around the world, this asteroid has an estimated size of 200 meters in diameter, equivalent to two football fields. It is on approach route and must pass “close” of the Earth in mid-September. However, “close” in spatial terms means that it will be at a safe distance of hundreds of thousands of kilometers from our atmosphere.
The astronomers have carefully observed the trajectory of the asteroid 2024 ON, and the current forecasts show that there is no risk of collision with the Earth. What it can cause, in fact, is an excellent opportunity for learning and observation, both for scientists and space enthusiasts.
What happens When Asteroids approach Earth?
This is not the first time an asteroid approaches Earth. In fact, it's something more common than many people imagine. Asteroids are fragments of rocks that orbit the Sun and occasionally cross the path of the Earth. When this happens, they can go unnoticed, like a simple light in the sky, or become great astronomical events.
In rare cases, smaller asteroids can enter the atmosphere and burn when crossing it, becoming meteors. It is what we call “chantes stars”. Already in very rare and catastrophic cases, larger asteroids can reach Earth, as happened millions of years ago, resulting in the extinction of dinosaurs.
However, scientists ensure that this scenario is extremely unlikely with the asteroid 2024 ON. It must pass a considerable distance and follow its orbit without offering real danger.
How does Science Observe and Monitor Asteroids?
One of the major missions of space agencies, such as NASA, is precisely to monitor objects close to Earth (called NEOs, or Near Earth Objects). The goal is to identify any celestial body that has the potential to collide with our planet and, if necessary, take steps to mitigate this risk.
With the advance of technology, agencies have been able to map the orbit of these bodies with great precision, predicting with years in advance possible dangerous approaches. In the case of asteroids like the 2024 ON, science can already determine exactly the trajectory and ensure that there will be no collision.
If an asteroid was identified on a collision course with Earth, scientists have several proposals to divert or even destroy these objects, from sending ships to alter their trajectory until using controlled explosions.
What if an Asteroid hit Earth?
Although it is extremely unlikely in the case of the approaching asteroid, the question is valid: what would happen if an object of this size hit our planet? A 200-metre-diameter asteroid could cause significant damage to a local area depending on the impact site. The energy released would be comparable to that of several nuclear bombs.
However, it is important to remember that the Earth is composed mostly of oceans, so if an asteroid of this size collidisse, the chances are that it would reach an oceanic or uninhabited area. Even in an impact scenario, humanity has mitigation and preparation strategies to reduce damage.
How We Can Watch This Event?
For those who are passionate about astronomy or simply curious, the approach of asteroids offers a great chance of observation. In the case of the 2024 ON, it will be visible through telescopes in certain regions of the planet. Several online broadcasts and social networks, such as the channel NASA TV, should accompany the passage of the live asteroid, allowing anyone to accompany the event.
In addition, astronomy institutions in various parts of the world, such as European Southern Observatory and Institute of Astronomy of the University of São Paulo, should also provide up-to-date images and information on the trajectory of the asteroid. It is worth keeping an eye on this unique opportunity.
The Importance of Studying Asteroids
Studying asteroids helps us better understand the past and future of our solar system. They are true capsules of time, containing information about the formation of the planets and the conditions that existed for billions of years. In addition, continuous monitoring of asteroids is essential to ensure the safety of our planet.
With the development of advanced technologies such as mission DART from NASA, which managed to divert the trajectory of an asteroid in 2022, we are increasingly prepared to deal with possible threats. Science is rapidly advancing, and with it, our ability to protect the Earth.
Conclusion: No Panic, Just Science!
In short, the approach of the asteroid 2024 ON is an interesting but risk-free event for our planet. It is another opportunity for us to learn about space and admire the vastness of the universe. So instead of panic, we must take this moment to look at heaven and marvel at the discoveries that science provides to us.
Source: O Globo
Wikipedia: Asteroid
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