Scientists eyeing asteroid deflection strategy tests in 2020

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Scientists at the European Space Agency and NASA want to make sure we're prepared for a potentially Earth-threatening asteroid strike.

But what could we do to actually stop an asteroid headed straight for Earth?

More from Newsy: NASA's Asteroid Detection System Proved Its Worth

Despite what Hollywood would have you believe, the answer isn't to nuke it to smithereens, a la "Armageddon."

Instead, NASA and the European agency basically want to shove the asteroid out of the way using a direct impact from a spacecraft.

RELATED: NASA launches Operation IceBridge to study Antarctica

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NASA launches Operation IceBridge to study Antarctica
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NASA launches Operation IceBridge to study Antarctica
ANTARCTICA - OCTOBER 31: A section of ice near the coast of West Antarctica is viewed from a window of a NASA Operation IceBridge airplane on October 31, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 31: IceBridge Project Scientist Nathan Kurtz looks out over ice near the coast of West Antarctica from a window of a NASA Operation IceBridge airplane on October 31, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of up to 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 31: A section of the West Antarctic Ice Sheet with mountains is viewed from a window of a NASA Operation IceBridge airplane on October 31, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 31: A section of the West Antarctic Ice Sheet is viewed from a window of a NASA Operation IceBridge airplane with the airplane shadow visible on October 31, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Ice crevasses are viewed near the coast of West Antarctica from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Ice floats near the coast of West Antarctica as viewed from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Tabular icebergs float near the coast of West Antarctica as seen from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Sea ice streaks are viewed near the coast of West Antarctica from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Sea ice floats near the coast of West Antarctica from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Ice is viewed near the coast of West Antarctica from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA- OCTOBER 28: NASA flight suits hang inside a NASA Operation IceBridge DC-8 research airplane on October 28, 2016 flying near the coast of Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Mission scientist John Sonntag works inside a NASA Operation IceBridge DC-8 research airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 28: Ice is viewed near the coast of West Antarctica from a window of a NASA Operation IceBridge airplane on October 28, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA - OCTOBER 27: Ice floats in West Antarctica as seen from a window of a NASA Operation IceBridge airplane on October 27, 2016 in-flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
ANTARCTICA- OCTOBER 27: Ice floats near the coast of West Antarctica as viewed from a window of a NASA Operation IceBridge airplane on October 27, 2016 in flight over Antarctica. NASA's Operation IceBridge has been studying how polar ice has evolved over the past eight years and is currently flying a set of 12-hour research flights over West Antarctica at the start of the melt season. Researchers have used the IceBridge data to observe that the West Antarctic Ice Sheet may be in a state of irreversible decline directly contributing to rising sea levels. NASA and University of California, Irvine (UCI) researchers have recently detected the speediest ongoing Western Antarctica glacial retreat rates ever observed. The United Nations climate change talks begin November 7 in the Moroccan city of Marrakech. (Photo by Mario Tama/Getty Images)
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"We are now, for the first time in our history, at a level of technological capability to maybe detect and do something about the threat from asteroids," former astronaut Chris Hadfield said.

More from Newsy: NASA Wants To Go To An Asteroid And Bring Part Of It Back

A group of scientists published a letter Monday supporting a field test of an asteroid deflection system that aims to do just that.

It's called the Asteroid Impact and Deflection Assessment mission, or AIDA.

Scientists made it clear that the mission needs to launch in 2020 while its target — a binary asteroid system — will be close to Earth.

Close is pretty relative when it comes to asteroids. In this case, close is about 6.8 million miles away from Earth.

Scientists believe asteroid strikes like the one that killed the dinosaurs are incredibly rare — with tens of millions of years between them. But other potentially dangerous impactshappen more often.

More from Newsy: This Doomsday Asteroid Could Be Major Scientific Boon For NASA

The European Space Agency's council of ministers is meeting in December to decide whether to fund the 2020 mission.

Since most asteroids are leftovers from the early days of the solar system, AIDA has the potential to give insight into how solar system was formed — as well as acting as a potential safety net for humanity.

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