‘Planetary defence’: NASA targets asteroid in space collision

by | Sep 23, 2022 | World

After NASA deliberately smashes a car-sized spacecraft into an asteroid next week, it will be up to the European Space Agency’s Hera mission to investigate the “crime scene” and uncover the secrets of these potentially devastating space rocks.NASA’s Double Asteroid Redirection Test (DART) aims to collide with the asteroid moonlet Dimorphos on Monday night, hoping to slightly alter its trajectory – the first time such an operation has been attempted.
While Dimorphos is 11 million kilometres (6.8 million miles) away and poses no threat to Earth, the mission is a test run in case the world someday needs to deflect an asteroid from heading our way.
Astronomers around the world will watch DART’s impact and its effect will be closely followed to see if the mission passed the test.
The European Space Agency’s Hera mission, named after the ancient Greek queen of the gods, will follow in its footsteps.
The Hera spacecraft is planned to launch in October 2024, aiming to arrive at Dimorphos in 2026 to measure the exact impact DART had on the asteroid.
Scientists are not only excited to see DART’s crater, but also to explore an object very much out of this world.
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‘A new world’
Dimorphos, which orbits a larger asteroid Didymos as they hurtle together through space, provides not only a “perfect testing opportunity for a planetary defence experiment, but it is also a completely new environment”, Hera Mission Manager Ian Carnelli said.
Hera will be loaded with cameras, spectrometers, radars and even toaster-si …

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