Astronomers published an image of asteroid Apophis which will pass close to Earth in March. Credit: Pixabay

Scary Image of Massive Asteroid Dubbed “God of Chaos” Captured as it Heads Our Way

We will have a chance to see Apophis through a telescope in March.

Apophis has been one of the most-watched asteroids in recent years due to the potential danger of a collision with Earth. A few days ago, astronomers published an image of the asteroid which is currently about 15 million kilometers from Earth.

Although in the photo Apophis looks like nothing more than one of the countless stars in the sky, the asteroid is much larger and possesses a potential danger to Earth. The image was taken by the Elena telescope, operated by Europe’s Virtual Telescope Project. It is a single 300-second exposure and has been marked with an arrow in the middle for our convenience.

The closest image of asteroid Apophis to date. Credit: GIANLUCA MASI/VIRTUAL TELESCOPE PROJECT
The closest image of asteroid Apophis to date. Credit: GIANLUCA MASI/VIRTUAL TELESCOPE PROJECT

Will asteroid Apophis collide with Earth in the future?

Near-Earth asteroid Apophis was originally discovered in 2004. Radar observations have shown that it measures approximately 325 meters in diameter although experts admit that observations are difficult and uncertain.

Early calculations of the orbit of Apophis indicated that the asteroid may in fact collide with Earth in 2029. Original estimations suggested a probability of one in 37 but later on, these estimates were revised and for now, there is no danger.

At the closest flyby in 2029, asteroid Apophis will pass us at a minimum distance of approximately 29,470 kilometers. This means that it will be absolutely visible to the naked eye in a clear night sky.

A more distant flyby will occur on March 6 this year. Passing about 9,3 million miles away from Earth, it will be perfectly visible for stargazers with small telescopes. Of course, there is no need to say that this distance possesses no risk to Earth.

Less than a decade later, asteroid Apophis will come near us again – in 2036. As you can probably guess, early estimations once again suggested that it might collide with Earth. Subsequent studies, however, assured us that there is no risk – the odds stand somewhere between 1 to 4 million to one.

Fast-forward 47 years and Apophis will once again be close to Earth – in 2068. Interestingly enough, early opinions crossed out the possibility of an impact but last year, a group of astronomers raised awareness that the risk still exists. Using the 8.2-meter Subaru Ground-Based Telescope, scientists found out that solar radiation has been increasing the rotation of speed of Apophis, thus displacing the trajectory of the asteroid.

In certain cases, this wouldn’t be a problem but Apophis’s trajectory is actually turning towards Earth. This means that the risk will only increase with each year.

For now, the odds for impact are estimated to one in 380,000 but the change of trajectory may shrink these numbers.

Nevertheless, I believe we really shouldn’t worry. Planetary Defense preparations are already in place and scientists are working on new methods and technologies that can be used to protect Earth from potentially dangerous asteroids.

The flybys in 2029 and 2036 should give experts the necessary knowledge to diminish any risk of impact in 2068. For now, studying asteroid Apophis is troublesome and there are no certainties. But, with the asteroid passing closer to Earth, scientists will be able to make accurate calculations and give trustworthy prognoses.


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Sources:

Browne, E. (2021, February 19). Image shows God of chaos asteroid APOPHIS gearing up to pass Earth.
Martin, S. (2021, February 17). Asteroid apophis: ASTRONOMERS Take stunning image of FEARED ‘god of Chaos’.
Matyszczyk, C. (2021, February 20). An asteroid is approaching, so I invited one of EARTH’S defenders to dinner.
NASA. (2020, July 20). Apophis – In depth.

Written by Vladislav Tchakarov

Hello, my name is Vladislav and I am glad to have you here on Curiosmos. My experience as a freelance writer began in 2018 but I have been part of the Curiosmos family since mid-2020. As a history student, I have a strong passion for history and science, and the opportunity to research and write in this field on a daily basis is a dream come true.

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