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The Asteroid Ryugu seen by Hayabusa2 in September 2018. Photo: JAXA

Japan's Hayabusa2 spacecraft successfully sent a bomb down to the surface of Asteroid Ryugu on Thursday, paving the way for scientific studies of the space rock's interior.

Why it matters: If the bomb did explode as expected, creating an artificial crater on the asteroid, scientists will be able to get a sense of what the rock is comprised of beyond just its irradiated surface. If the area is deemed safe, Hayabusa2 will move in to possibly land at or near the site of the artificial crater to collect a sample of the blasted material for eventual return to Earth next year.

Details: In order to protect the mothership from the blast, Hayabusa2 flew behind the asteroid after dropping the copper bomb, according to the Japan Aerospace Exploration Agency (JAXA), but a secondary camera was deployed in order to check out the moment the experiment — called the Small Carry-on Impactor (SCI) — went off.

  • "After the start of the operation, the camera (DCAM3) separated from Hayabusa2 captured an image that shows ejection from Ryugu’s surface, which implies that the SCI had functioned as planned," JAXA said in a statement. "Hayabusa2 is operating normally. We will be providing further information once we have confirmed whether a crater has been created on Ryugu."
A tweet previously embedded here has been deleted or was tweeted from an account that has been suspended or deleted.

Background: Hayabusa2 has been studying asteroid Ryugu since last year, after launching to the space rock in 2014. The hardworking space probe already collected one sample of the asteroid in February and made history in 2018 when it sent robotic probes to the surface. The spacecraft is designed to help scientists learn more about the origins of the solar system as asteroids are thought to be bits of debris left behind after the formation of the planets.

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Federal judge blocks vaccine mandate for NYC teachers

Students are dismissed from the first day of school at PS 133 in Brooklyn on Sept. 13. Photo: Michael Nagle/Xinhua via Getty Images

A federal appeals court judge on Friday temporarily blocked New York City schools from enforcing a vaccine mandate for school employees, days before it was set to take effect, AP reports.

Driving the news: The vaccine mandate was set to begin on Monday, prompting concerns over staffing shortages in schools across the nation's largest school system.

CCP releases two jailed Canadians after Huawei CFO deal with DOJ

Photo: Sheldon Cooper/SOPA Images/LightRocket via Getty Images

Two Canadians imprisoned by the Chinese government for over 1,000 days have been released and are expected to arrive in Canada on Saturday, Prime Minister Justin Trudeau said Friday.

Why it matters: Their release comes hours after Huawei Technologies CFO Meng Wanzhou reached a deal with the U.S. Department of Justice that resolves the criminal charges against her and could pave the way for her to return to China.

Updated 22 hours ago - Politics & Policy

Arizona GOP's private recount of 2020 election confirms Biden's win

Contractors working on behalf of the GOP examine and recount 2020 ballots at Arizona Veterans Memorial Coliseum in Phoenix in May. Photo: Courtney Pedroza/Getty Images

In an odd coda to the 2020 election, private contractors conducting a GOP-commissioned recount in Arizona confirmed President Biden’s win in Maricopa County.

Why it matters: The unofficial, party-driven recount has been heavily covered on cable news as part of former President Trump's continued effort to sow doubt about the election result.