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NASA Launches Probe to Check Threats of Asteroid Collisions with Earth

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NASA Launches Probe to Check Threats of Asteroid Collisions with Earth

A NASA’s mission is to help humanity defend itself from asteroids.

This test “will be historic,” said Tom Statler, a US space agency scientist who is involved in the Binary Asteroid Redirection Test (DART) mission, at a press conference.

“For the first time, humanity will change the movement of a natural celestial body in space,” he said.

This is just a dress rehearsal, the target asteroid poses no threat to Earth, but NASA is taking the mission very seriously.

The US space agency has now listed more than 27,500 asteroids of various sizes close to Earth, and “none of them pose a threat in the next 100 years,” said NASA Science Director Thomas Zurbuchen.

According to experts, only 40% of asteroids have a diameter of 140 meters or more.

The mission, dubbed DART (dart, in simple translation), will be transferred from Vandenberg Base in California aboard a SpaceX Falcon 9 rocket at 10:21 pm today (06:21 am Wednesday, Lisbon).

The spacecraft is smaller than a car and has two long solar panels. Next fall, about 10 months later, it should collide with an asteroid the size of a football field (about 160 meters in diameter), which will be located 11 million kilometers from Earth.

The asteroid is called Dimorfos and is a satellite that orbits a larger asteroid called Didymos (780 meters in diameter).

It takes Dimorfos 11 hours 55 minutes to get around the largest asteroid. Scientists hope to shorten the orbit in about 10 minutes.

“This is a very small change, but it might be all it takes to deflect an asteroid from colliding with Earth. […]”- said Tom Statler.

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The results will be used in calculations to help determine in the future how much weight must be projected onto a particular type of asteroid in order to cause deflection.

The asteroid will not appear in images transmitted by the probe, as it is only available two minutes before the impact.

The images will be available from a satellite developed by the Italian Space Agency, which will be launched 10 days before the collision and will use its propulsion system to slightly deflect its own path.

Three minutes after the collision, the satellite will fly over Dimorphos to see the effect of the collision and possibly a crater on the surface.

The orbit of the asteroid Didymos around the Sun may also be slightly altered due to the gravitational relationship with its moon, which deprives it of a potential path to Earth.

The total cost of the mission – the first interplanetary rocket launched by Elon Musk for NASA – is $ 330 million (about € 293 million).

Read also: NASA postponed (again) the launch of the successor to the Hubble telescope

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Hijackers use this new Apple product to steal cars

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Hijackers use this new Apple product to steal cars

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WhatsApp Update Allows Temporary Messages by default – current

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WhatsApp Update Allows Temporary Messages by default - current

An update was released yesterday for the instant messaging program WhatsApp (6), which will add temporary messaging features for new conversations by default.

According to the company, the new feature could be changed by users, who will determine how long messages are available in history. Available options: 24 hours, 7 days, 90 days, or disabled – while the messages remain available at all times.

Meta’s WhatsApp, previously Facebook, said in a statement that the change is aimed at improving privacy and ensuring that users can have “direct conversations.”

“Our mission is to connect the world with privacy. As our conversations increasingly take place in the digital world, we know how special it is to just sit with someone and talk in private, knowing that at this moment everything is just between you. The freedom that exists in the opportunity to open up, to speak frankly with confidence that this conversation will not be recorded or saved forever is priceless, ”the note explains.

Users who accept the new standard will be notified of the feature activation in a notification that will be at the top of conversations. Both recipients and senders will be notified of the length of the messages.

The temporary message function can also be used on media files such as videos, photos and audio files. The function, however, has already been performed earlier.

With information from Agência Brasil

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Halo Infinite prevents you from repeating campaign missions in a single save • Eurogamer.pt

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Halo Infinite prevents you from repeating campaign missions in a single save • Eurogamer.pt

Update: 343 says this will be implemented at a later date.

Update

343 Industries has confirmed that it is working on a feature that will allow campaign missions to be replayed in the same save.

343’s Paul Crocker confirmed to The Verge that they don’t have a date to report yet, but are working on it.

“We want to have a replay function that works well, and when you have more open play, it gets more complex,” Crocker confirmed.

Original

The Halo Infinite campaign is almost here, and Microsoft has confirmed that one of the features that existed in previous games in the series will not be available in this new release.

Like games like Destiny, and unlike previous Halo games, Infinite takes you to the open world and prevents you from repeating campaign missions in a single save. If you lose any of the collectibles, you can return to the mission location in this open world to retrieve it, but in the case of the first two missions, you will have to create a new save.

In statements to PolygonMicrosoft confirmed that this option is missing from Halo Infinite in the traditional way, which, through a menu, allowed you to repeat missions, select difficulty, and activate skulls.

“After the game is over, you have the option to continue exploring the scene, but for missions like the first two, where you are not yet in the ring, you cannot replay in the same game file.”

Microsoft makes it clear that you can collect audio files, hunt for targets and get what you missed, but you cannot repeat campaign missions in the same save.

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