Rare Close Encounter with "City Killer" Asteroid

On March 26th, 2023, a large asteroid, named 2023 DZ2, will pass between Earth and the Moon’s orbit at a distance of around 100,000 miles. The asteroid, up to 300ft in size, will fly by at approximately 17,500mph, which is a rare occurrence that presents a great opportunity for astronomers to study the “city killer” asteroid in detail. Even though asteroids passing by Earth are common, asteroids of this size only come close about once a decade. The asteroid’s close approach also presents a great opportunity for scientists to practice and prepare for planetary defense scenarios. The Virtual Telescope Project will provide a live webcast of the asteroid’s close approach, which is exciting news for those interested in astronomy. Furthermore, the asteroid is due to return in 2026, but there is no risk of a collision with Earth.

Asteroid to Pass Close to Earth and Moon in Rare Encounter

This photo provided by Gianluca Masi shows asteroid 2023 DZ2, indicated by arrow at center, about 1.8 million kilometers (1.1 million miles) away from the Earth on March 22, 2023. On Saturday, March 25, 2023, the asteroid, big enough to wipe out a city, will harmlessly zip between Earth and the moon. While asteroid flybys are common, NASA said it…s rare for one so big to come so close _ about once a decade. Scientists estimate its size somewhere between 140 feet and 310 feet. (42 meters and 94 meters). (Gianluca Masi/Virtual Telescope Project via AP)

On March 26th, 2023, an asteroid, named 2023 DZ2, will pass between the Earth and Moon’s orbit at a distance of about 100,000 miles, which is less than half the distance between Earth and the Moon. The asteroid is up to 300ft (90m) in size and will fly by at a speed of approximately 17,500mph. Scientists have dubbed it a “city killer” asteroid because of its size, which is similar to the height of the Elizabeth Tower that houses Big Ben in Westminster. However, astronomers have reassured the public that the asteroid will not hit the Earth.

Although it is relatively common for asteroids to pass by Earth, it is rare for one of this size to come so close, happening only once every decade. The close approach will provide a great opportunity for astronomers to study the asteroid in detail. Scientists with the International Asteroid Warning Network will use this opportunity as a practice session for future planetary defense scenarios.

The asteroid was discovered a month ago, and the European Space Agency’s planetary defense chief Richard Moissl has said that the asteroid poses no threat to Earth. He also noted that this close approach presents a great chance for astronomers to gather more information about this asteroid.

The Virtual Telescope Project will provide a live webcast of the asteroid’s close approach, which is an exciting opportunity for those interested in astronomy. Additionally, the asteroid is due to return in 2026, but scientists have ruled out any risk of a collision with Earth at that time.

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