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Earth just had its closest asteroid encounter of 2021

This curious little space rock never posed a threat, though.

A truck-size asteroid whizzed above our planet early Wednesday just hours after it was first discovered, passing closer to the surface of Earth than the ring of large communications satellites in orbit.

The space rock is cataloged as asteroid 2021 RS2 and measures between 7 and 17 feet (2.1 and 5.2 meters) in diameter, making it somewhere between the size of a small car and a larger pickup truck. It came within roughly 10,000 miles (16,000 kilometers) of the surface of Earth, which is twice as close as the plane on which those big satellites fly. This is just slightly closer than a smaller asteroid that flew by in February.

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This more recent little cosmic visitor whipped by us at decent speed, traveling at over 39,000 miles per hour (18 kilometers per second). Mt. Lemmon Survey in Arizona originally spotted it on Tuesday, not long before its close approach.

Obviously, it kept right on moving through the solar system without incident, but even if it had impacted Earth it probably wouldn’t have made it very far through the atmosphere without burning up nearly completely or totally. For comparison, the meteor that struck Russia in 2013, creating an atmospheric blast that blew out thousands of windows, was probably 10 times as wide. By the time it struck the surface, the largest fragment found was only 5 feet (1.5 meters) across.

Asteroids like 2021 RS2 don’t pose a threat, but astronomers say it’s the ones we haven’t yet discovered that we should worry about. The Russian meteor was just such a space rock that snuck up on us without being spotted first. So keep your eyes up and support your local sky survey.

Technologies

RFK Jr. Announces All Americans Need Health Tracking Devices: Here Are the Pros and Cons

The US Health Secretary plans a huge campaign to encourage health wearables: CNET knows exactly the kind of devices he’s talking about, and why accuracy may be a problem.

Many Americans already track health statistics like heart rate and sleep cycles on app-connected accessories. Now the federal government wants to jump in. On June 24, Health Secretary Robert F. Kennedy Jr. announced «one of the largest HHS campaigns in history» to encourage the use of wearables to track health conditions, a trend CNET has recently covered.

Kennedy is referring to the many different bands, watches and even clothes that use technology to track human vital signs. CNET’s reviewers have spent years testing devices like these, seeing how rings monitor health signs, straps track your heart health and the right devices lead to better sleep.

The latest version of the Apple Watch, for example, has sensors designed to detect heart rate, heart rhythm issues, falls, sleep health, sleep apnea, temperature, breathing rate and more. The newest Oura Ring can track sleep patterns, menstrual cycles, temperature, heart rate and other health details.

«We think that wearables are a key to the MAHA agenda, Making America Healthy Again ,» Kennedy told the Subcommittee on Health during its budget meeting. «My vision is that every American is wearing a wearable within four years … they can see what food is doing to their glucose levels, their heart rates and a number of other metrics as they eat it.» 

Kennedy also tweeted that «wearables put the power of health back in the hands of the American people.» 

«Wearables,» however, is a broad term encompassing everything from fitness devices that count steps to sleep trackers you wear at night. And consumer devices can’t easily replace monitoring solutions offered by medical professionals. 

For example, CNET has covered research indicating that even the best-in-class Apple Watch struggles with accuracy from metrics like steps to heart rate. Another study from California State Polytechnic University has shown that fitness-related Fitbit trackers show high inaccuracies as well. In fact, that research was used in a related Fitbit lawsuit.

Speaking of glucose monitors, Kennedy isn’t the only White House official with an interest in such health sensors. The administration’s nominee for surgeon general, Dr. Casey Means, co-founded glucose-monitoring company Levels and sells a monitoring app as well as other wellness products.

Finally, CNET wellness experts remind everyone that wearables aren’t always a good fit. Those suffering from eating disorders or body image issues should always talk to an expert before using wearables, as they can exacerbate certain issues or lead to a unhelpful outlook. 

The US Department of Health and Human Services did not immediately respond to a request for comment.

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Technologies

What’s Included in Xbox Game Pass? Here’s Everything You Need to Know

Check out the pros and cons of each Game Pass tier, and how much each costs.

Editors’ Note: Xbox Game Pass Ultimate offers a slew of benefits, including a massive game library, diverse device support and both PC and console games. Nifty features like the ability to play on smart TVs, phones, tablets and PCs — not just consoles — make this a convenient gaming subscription service for a wide range of people. Xbox Game Pass Ultimate costs less than the price of a new game each month, yet gives access to hundreds of titles, which is why it earned a CNET Editors’ Choice Award. The original article follows.

New AAA video games used to cost $50 apiece, but it’s not unusual to see a similar game cost $70 now. That price might make you pause before you buy the game, but with an Xbox Game Pass subscription, you could play a brand-new game, and others, for a fraction of the price.

Microsoft launched Game Pass in 2017, and since then, the gaming service has grown to be one of the best values for gamers. All Game Pass plans offer member discounts for non-Game Pass titles and other perks, but figuring out which plan is right for you can be difficult.

That choice can be especially tough after Microsoft removed its Game Pass Console plan and replaced it with Game Pass Standard. The company also increased the price of Game Pass Ultimate from $17 to $20 a month.

I’ve covered the service in the past, including future releases and whether Game Pass Ultimate will save you money compared with buying single games. And with all the new titles Microsoft announced would be joining the service as Day 1 releases, like the upcoming Doom: The Dark Ages, you might be wondering what the difference is between different Game Pass plans.

Here’s what you need to know about the Game Pass plans so you can decide which one is right for your needs.

Xbox Game Pass tiers

Game Pass Core Game Pass PC Game Pass Standard Game Pass Ultimate
Day 1 releases No Yes No Yes
PC games No Yes No Yes
Online multiplayer Yes Yes Yes Yes
EA Play No Yes No Yes
Cloud Gaming No Yes (select games via GeForce Now Ultimate) No Yes (via Xbox Cloud Gaming and select games via GeForce Now Ultimate)
Monthly price $10 $12 $15 $20

For more on Xbox, here’s what was announced at Gamescom, some titles available on Game Pass Ultimate right now and everything to know about that gaming service.

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Technologies

Xbox Game Pass Ultimate Review: The Best Content Deal in Gaming

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