When could the asteroid Apophis really impact the Earth?

by time news

2023-10-20 09:12:37

In the vast cosmos, the Earth is in constant motion, surrounded by numerous celestial objects, some of which can pose a threat. One of the asteroids that has captured the attention of the scientific community and the general public is Apophis, a rocky object with a potential impact on Earth.

Apophis: An Asteroid on NASA Radar

Discovered in 2004, the asteroid Apophis (named after the ancient Egyptian god of chaos) has been the focus of the scientific community’s attention due to its size and orbit. With a diameter of approximately 370 meters, Apophis is considered a “potentially hazardous asteroid” due to its ability to impact Earth with significant consequences.

Assessing the Threat: How Dangerous is Apophis?

The asteroid Apophis has been the subject of intense monitoring by astronomers and space agencies, especially NASA. As measurements of its orbit have been refined, it has been confirmed that while it is a potential threat, the probability of a direct impact is low.

Initially, it was feared that Apophis could collide with Earth in the year 2029, which led to considerable media attention. However, additional observations allowed this scenario to be ruled out, although there is still the possibility of a future impact in 2068.

Cosmic Threat Mitigation

The threat from asteroids like Apophis has led to increased interest in cosmic risk mitigation. NASA and other space agencies are working on strategies to divert potentially dangerous asteroids from their collision orbits with Earth.

One of the most promising ideas is the use of space probes to alter the speed or orbit of an asteroid. This would be achieved by colliding the probe with the asteroid or by releasing an impact device that exerts a gravitational force on the object, gradually moving it away from a collision path.

Studying and Preparing for the Unknown

Although the probability of the asteroid Apophis directly impacting Earth is low, its mere existence underscores the importance of tracking and studying Near-Earth Objects (NEOs). Current science and technology allow us to detect and characterize these objects, giving us the opportunity to prepare for potential cosmic threats.

The Apophis case illustrates the continued need for investments in space research and NEO monitoring, as well as the development of mitigation technologies.

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