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Watch SpaceX launch and land a reused Falcon 9 rocket

Today, SpaceX will hopefully launch and land a Falcon 9 rocket that it’s already flown to space. The launch window opens at 2:10 PM and lasts for two hours; launch time is currently scheduled for 3:10 PM ET. You can livestream the launch, with commentary, at SpaceX’s website.

This mission is called BulgariaSat-1 and will carry Bulgaria’s first geostationary communications satellite into a high geostationary orbit around the Earth. It’s launching from Kennedy Space Center in Florida, and a drone ship called “Of Course I Still Love You” will be waiting in the Atlantic Ocean for the Falcon 9’s first-stage landing. If things don’t go as planned, there’s another launch window tomorrow at 2:10 PM ET.

This isn’t the only SpaceX launch that’s happening this weekend, though. On Sunday, a Falcon 9 will lift off from Vandenberg Air Force Base in California carrying 10 satellites for the company Iridium. Liftoff is set for 1:25 PM PT, and the company will once again attempt to land the first stage of the rocket.

It’s not the first time SpaceX has flown and landed a flight-proven rocket; that happened on March 30. But rockets are the most expensive part of spaceflight; by reusing Falcon 9 first stages, SpaceX is cutting costs considerably. Reusable components are crucial to the future of human spaceflight, and SpaceX is certainly making steady and significant improvements in that regard.

Update, 6/23/2017, 1:05 PM: SpaceX tweeted that the ground team is taking additional time for checks. New liftoff time is 3:10 PM ET.

Via: The Verge

Source: SpaceX

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Ms. A. C. Kennedy
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There's a good reason why security analysts get nervous about bundled third-party software: it can introduce vulnerabilities that the companies can't control. And Microsoft, unfortunately, has learned that the hard way. Google researcher Tavis Ormandy discovered that a Windows 10 image came bundled with a third-party password manager, Keeper, which came with a glaring browser plugin flaw -- a malicious website could steal passwords. Ormandy's copy was an MSDN image meant for developers, but Reddit users noted that they received the vulnerable copy of Keeper after clean reinstalls of regular copies and even a brand new laptop.

A Microsoft spokesperson told Ars Technica that the Keeper team had patched the exploit (in response to Ormandy's private disclosure), so it shouldn't be an issue if your software is up to date. Also, you were only exposed if you enabled the plugin.

However, the very existence of the hole has still raised a concern: are Microsoft's security tests as thorough for third-party apps as its own software? The company has declined to comment, but that kind of screening may prove crucial if Microsoft is going to maintain the trust of Windows users. It doesn't matter how secure Microsoft's code is if a bundled app undermines everything.

Source: Monorail, Tavis Ormandy (Twitter)

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