How to watch Nasa LIVE smash a satellite into an asteroid in the Apocalypse Defense mission

NASA will test its planetary defenses by smashing a spacecraft into an asteroid later this month – and you can watch it live.

Live coverage of the final moments of the DART (Double Asteroid Redirection Test) mission will be streamed around the globe.

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How to watch DART live stream

Nasa has announced that it will broadcast live coverage of DART’s impact with the asteroid Dimorphos on Monday, September 26.

It all starts at 6 p.m. EST (11 p.m. BST), although the exact time of the collision is unclear.

You can watch the show on NASA website or on the official of the space agency Youtube channel.

Instead of a video feed of the impact, expect live commentary from Nasa experts on whether or not the mission was a success.

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Dimorphos will be approximately 6.8 million miles (11 million kilometers) from Earth at the time of DART’s impact — too far for video transmission.

Instead, a small CubeSat deployed by DART before impact captures pre- and post-collision images.

These images are then beamed back to Earth, allowing scientists to assess whether the mission was successful.

These images will likely take a few hours to reach Mission Control.

DART mission explained

DART will dramatically impact an asteroid 11 million miles from Earth later this month.

The ambitious project, involving teams from NASA and the European Space Agency, is a test of technology to prevent a killer asteroid from hitting Earth.

Should it prove successful, it could pave the way for a new planetary defense system capable of deflecting incoming space rocks before impact.

The scheme mirrors the plot of the 1998 blockbuster flick Armageddon, in which Nasa flies a spacecraft to an asteroid to prevent it from hitting Earth.

“DART will be the first demonstration of kinetic impactor technology to alter the motion of an asteroid in space,” NASA says on its website.

The DART spacecraft consists of a box-shaped body about twice the size of a washing machine, flanked by two 18-metre-long solar panels.

On November 24, 2021, it launched aboard a SpaceX Falcon 9 rocket from Vandenberg Air Force Base in California.

DART will reach the binary near-Earth asteroid Didymos about nine months later, in September – 11 million miles from its home planet.

Didymos is about 740 meters in diameter and is located between the orbits of Earth and Mars. It’s not the primary focus of the mission.

Instead, NASA’s intrepid battering ram will target a smaller asteroid — or moonlet — that closely orbits Didymos.

DART will smash into space rock at 15,000 miles per hour to change its orbit around its host.

After DART crashes into its target, NASA and ESA will train telescopes on Earth to verify that the scheme worked.

A tiny probe launched alongside the mission will collect data before, during and after the impact.

“The DART spacecraft will achieve kinetic impact deflection by intentionally crashing into the moon at a speed of approximately 4 miles per second using an onboard camera (dubbed DRACO) and sophisticated autonomous navigation software,” Nasa says.

“The collision will change the speed of the moon in its orbit around the main body by a fraction of a percent.

“This will change the moon’s orbital period by several minutes – enough to be observed and measured with telescopes on Earth.”

Space experts have already identified at least 26,000 so-called “near-Earth objects”.

An estimated 4,700 meet NASA’s classification as “Potentially Hazardous Objects”.

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That means they are more than 500 feet in diameter, would fly within 4.7 million miles of Earth, and would wreak havoc on impact.

Didymos isn’t seen as a threat to our planet, but DART promises to help Nasa and ESA build a system to protect Earth from space rocks that may come a little too close for comfort in the future.

The DART spacecraft consists of a box-shaped body about twice the size of a washing machine, flanked by two 18-metre-long solar panels

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The DART spacecraft consists of a box-shaped body about twice the size of a washing machine, flanked by two 18-metre-long solar panels
Radar images of the near-Earth asteroid (65803) Didymos and its small moon taken on November 23, 24 and 26, 2003

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Radar images of the near-Earth asteroid (65803) Didymos and its small moon taken on November 23, 24 and 26, 2003Photo credit: NASA
NASA's DART mission will impact an asteroid between Earth and Mars

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NASA’s DART mission will impact an asteroid between Earth and MarsPhoto credit: NASA


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