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Saturn’s Pulling a Stunt This Weekend That Hasn’t Happened Since 2009: How to Watch

As Saturn and Earth line up, Saturn’s iconic rings will appear to vanish.

It’s not every day that a prominent feature of our solar system disappears, but that’s precisely what will happen with Saturn. Over the weekend, Saturn’s gorgeous rings will nearly vanish from sight. No worries, they’ll be back in a couple of weeks.

This phenomenon is caused by an optical illusion that occurs when the stars line up. Saturn is tilted at 26.73 degrees on its orbit, while Earth is very close to that at a 23.5-degree tilt. When the two planets line up just right, the rings of Saturn are almost entirely horizontal from the perspective of Earth, causing them to mostly vanish. 

Read more: Best camera to buy in 2025

«As Saturn and the Earth travel around the sun, we will periodically be in a position where those rings are seen edge on,» explains Dr. Shannon Schmoll, director of the Abrams Planetarium at Michigan State University. «Because the rings are so thin, if we look at it edge-on, we can’t see (the rings).»

So, anyone looking up at the sky this weekend will likely note that the planet won’t look very Saturn-like without its trademark rings. However, if you’re using a powerful telescope, the rings will still be visible. It’ll appear as though a thin line is running through the middle of Saturn, as shown in the graphic above. 

How do Saturn’s rings disappear?

The tilt of Saturn and Earth is the main thing. It’s like looking at a piece of paper. If you hold it horizontally up to eye level, it’ll be practically invisible. Paper is an apt analogy here because Saturn’s rings are thinner than many think.

«The rings of Saturn are incredibly thin,» Schmoll says. «Even the thickest estimates put the rings at 1 kilometer (about half a mile). Saturn’s diameter is over 116,000 km, so comparatively that is VERY thin.»

According to NASA, Saturn’s rings average about 30 feet in height across the entire length of the ring. That means when viewed from the side at a distance of about 1.5 million kilometers (983,000 miles), you might as well be looking at a sheet of paper from the side. 

The rings are still technically visible. Folks with higher-powered telescopes may be able to see the line jutting across Saturn. However, those with low-power telescopes may not see it, making Saturn look naked. 

When will the rings return?

The peak of this little celestial dance will occur over the weekend. So, technically, the rings have already been like this for a week or two and will continue to be difficult to see going into April. By then, Saturn’s orbit will begin to tilt the rings again, and they will slowly come back into view over the next month or two. 

«Technically, the ring plane crossing is only for a moment when it’s fully edge on,» said Schmoll. «For powerful telescopes, we can see the rings again quickly. For most backyard telescopes, though, you have to wait a few months before you can see them again»

How rare is this event?

According to NASA, this happens about every 13 to 15 years on average. It’s not an exact science, though, as prior events occurred in 1980, 1995 and 2009. 

«Saturn’s orbit is just under 30 years, so there are two times in a Saturn orbit when that angle is just right,» Dr. Schmoll says. «Sometimes it happens when Saturn is on the opposite side of the sun from us, which makes it hard to see because the sun gets in the way.»

The next one is predicted to come in 2038 or 2039, Schmoll says, and it should be «a lot easier to spot» as well.

Technologies

Microsoft Is Eliminating Passwords in August: Here’s What You Need to Do to Prepare

Microsoft Authenticator has already stopped autofilling passwords, but the biggest change comes next month.

In June, Microsoft Authenticator stopped letting users create new passwords. In July, it turned off the autofill password function. And in August, the login app will stop supporting passwords entirely, moving to more secure passkeys, such as a PIN, fingerprint or facial recognition.

Attila Tomaschek, CNET’s software senior writer and digital security expert, says that passkeys are a safer alternative to the risky password habits practiced by 49% of US adults, according to a recent survey by CNET.

«Passwords can be cracked, whereas passkeys need both the public and the locally stored private key to authenticate users, which can help mitigate risks like falling victim to phishing and brute-force or credential-stuffing attacks,» Tomaschek said.

Using the same password for several accounts or adding personal hints can be a convenient way to remember your login. But that puts you at a big risk for scammers, identity theft and fraud. Here’s more on Microsoft’s plan for eliminating passwords and how to make the switch to passkeys before August.

When will Microsoft Authenticator stop supporting passwords?

Microsoft Authenticator houses your passwords and lets you sign into all your Microsoft accounts using a PIN, facial recognition like Windows Hello, or other biometric data like a fingerprint. Authenticator can be used in other ways, such as verifying you’re logging in if you forgot your password, or using two-factor authentication as an extra layer of security for your accounts. In June, the company stopped letting users add passwords to Authenticator, but here’s a timeline of other changes you can expect from Microsoft.

  • July 2025: You won’t be able to use the autofill password function.
  • August 2025: You’ll no longer be able to use saved passwords.

If you still want to use passwords instead of passkeys, you can store them in Microsoft Edge. However, CNET experts recommend adopting passkeys during this transition. «Passkeys use public key cryptography to authenticate users, rather than relying on users themselves creating their own (often weak or reused) passwords to access their online accounts,» Tomaschek said.

Why are passkeys a better alternative to passwords?

So what exactly is a passkey? It’s a credential created by the Fast Identity Online Alliance that uses biometric data or a PIN to verify your identity and access your account. Think about using your fingerprint or Face ID to log into your account. That’s generally safer than using a password that is easy to guess or susceptible to a phishing attack.

Passkeys aren’t stored on servers like passwords. Instead, they’re stored only on your personal device. More conveniently, this takes the guesswork out of remembering your passwords and the need for a password manager.

How to set up a passkey in Microsoft Authenticator

Microsoft said in a May 1 blog post that it will automatically detect the best passkey to set up and make that your default sign-in option. «If you have a password and ‘one-time code’ set up on your account, we’ll prompt you to sign in with your one-time code instead of your password. After you’re signed in, you’ll be prompted to enroll a passkey. Then the next time you sign in, you’ll be prompted to sign in with your passkey,» according to the blog post.

To set up a new passkey, open your Authenticator app on your phone. Tap on your account and select «Set up a passkey.» You’ll be prompted to log in with your existing credentials. After you’re logged in, you can set up the passkey.

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Technologies

The AI Chatbots We Use Most, and How We Use Them

91% of AI users have a default artificial intelligence assistant they turn to for their AI tasks, a Menlo Ventures report has found.

If you have a particular artificial intelligence tool that you tend to try first every time you’re in need of an AI assist, you’re not alone. According to a new survey, 91% of people who use AI have a favorite chatbot they try first, whether it’s ChatGPT, Gemini, Alexa or something else.

A Menlo Ventures survey of 5,000 adults found that this «default tool dynamic» means most people using AI have chosen a general AI tool they’ll try first for every job, even if it’s not necessarily the best tool for the job.

In the report, ChatGPT is the AI assistant that tops default tools, with 28% of respondents choosing it first. It’s followed by Google’s Gemini at 23%, Meta AI and Amazon’s Alexa, both at 18% and Apple’s Siri at 16%. Other tools including Claude, Grok and Perplexity collectively make up another 33%.

Some of the most common ways people are using these AI tools include composing emails and other writing support, researching topics of interest and managing to-do lists, according to Menlo Ventures.

Some of that, Menlo Ventures says, is «first-mover advantage,» with tools like ChatGPT having built up a following by being the first to offer some chatbot and image-generation features. But, the company warns, «that position is not guaranteed,» with challengers moving fast.

«The consumer market for [large language models] is still nascent and far from saturated,» the report says, «leaving ample room for product innovation to shift market share over time.»

Overall, 61% of Americans have used AI in the last six months and nearly 1 in 5, 19%, rely on it daily, the report says.

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Technologies

This Early Prime Day Deal Lets You Grab AirPods 4 At Their Lowest Price Yet

Apple’s AirPods 4 have dropped to their lowest price of 2025 — but this early Prime Day deal won’t last long.

Prime Day is still a few sunsets away, but Amazon isn’t waiting around. The retailer has already started slashing prices across tons of popular products, including the much-loved AirPods 4 (ANC).

For a limited time, you can snag these for 2025’s best price of just $149. This saves you $30, and you don’t even have to enter any codes or clip any coupons. The catch? We can’t promise that this deal will stick around for much longer.

This is the latest generation of Apple’s earbuds. The Apple AirPods 4 have the same H2 chip found in the AirPods Pro 2, so you can expect great sound quality. They also rock a more compact design with this new generation and offer excellent voice-calling performance. Plus, Spatial Audio support adds a touch of personalization.

Note that this deal is for the ANC (active noise cancellation) model of these earbuds. It comes with a wireless charging case and a speaker that can help you find them using Apple’s Find My tracking service.  

«With a slightly smaller design, improved sound and Apple’s powerful H2 chip features, the Apple AirPods 4 are a worthy upgrade,» said CNET audio expert David Carnoy in his AirPods 4 review. «But what really makes them special is the noise canceling in the step-up ANC model.»

Hey, did you know? CNET Deals texts are free, easy and save you money.

What’s the competition like? You can find out by reading through the best early Prime Day deals on headphones and speakers, where we’ve rounded up all the latest and greatest prices from the likes of Apple, Sony, Beats and many more big names. Just be sure to get your orders in before the deals expire.

Why this deal matters

Apple products rarely go on sale, and when they do, the stock tends to run out before the deal window closes. Combine that with AirPods 4 being Apple’s latest AirPods and this discount being the year’s all-time low price — you have a nice offer in your hands.

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