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16 Apr 2025 - 05:34 pm

Space, time: The continual question
If time moves differently on the peaks of mountains than the shores of the ocean, you can imagine that things get even more bizarre the farther away from Earth you travel.
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To add more complication: Time also passes slower the faster a person or spacecraft is moving, according to Einstein’s theory of special relativity.

Astronauts on the International Space Station, for example, are lucky, said Dr. Bijunath Patla, a theoretical physicist with the US National Institute of Standards and Technology, in a phone interview. Though the space station orbits about 200 miles (322 kilometers) above Earth’s surface, it also travels at high speeds — looping the planet 16 times per day — so the effects of relativity somewhat cancel each other out, Patla said. For that reason, astronauts on the orbiting laboratory can easily use Earth time to stay on schedule.
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For other missions — it’s not so simple.

Fortunately, scientists already have decades of experience contending with the complexities.

Spacecraft, for example, are equipped with their own clocks called oscillators, Gramling said.

“They maintain their own time,” Gramling said. “And most of our operations for spacecraft — even spacecraft that are all the way out at Pluto, or the Kuiper Belt, like New Horizons — (rely on) ground stations that are back on Earth. So everything they’re doing has to correlate with UTC.”
But those spacecraft also rely on their own kept time, Gramling said. Vehicles exploring deep into the solar system, for example, have to know — based on their own time scale — when they are approaching a planet in case the spacecraft needs to use that planetary body for navigational purposes, she added.

For 50 years, scientists have also been able to observe atomic clocks that are tucked aboard GPS satellites, which orbit Earth about 12,550 miles (20,200 kilometers) away — or about one-nineteenth the distance between our planet and the moon.

Studying those clocks has given scientists a great starting point to begin extrapolating further as they set out to establish a new time scale for the moon, Patla said.

“We can easily compare (GPS) clocks to clocks on the ground,” Patla said, adding that scientists have found a way to gently slow GPS clocks down, making them tick more in-line with Earth-bound clocks. “Obviously, it’s not as easy as it sounds, but it’s easier than making a mess.”

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16 Apr 2025 - 03:50 pm

Investigating the Dragon Tiger game Gameplay: The Detailed Examination at One of Favorite Games in Casinos

The sphere of digital gaming has seen a rise in recognition over recent months, with diverse experiences captivating users' attention. One such game is dragon vs tiger apk , a simple yet thrilling game of cards that has become a cornerstone in digital gambling platforms. This article investigates the features of Dragon Tiger, assessing its gameplay, strategies, and the fascination of playing for cash prizes. We will also explore the availability of the **Dragon Tiger APK** for portable gaming fans, offering insights into how to enhance your time.

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16 Apr 2025 - 01:20 pm

Plinko is a thrilling and well-known game that has gained the admiration of players on various platforms, from TV competitions to internet-based betting sites. The game plinko game is recognized for its easy-to-understand mechanics, randomness, and the adrenaline rush of watching a disc or token plunge through a network of obstacles, ultimately settling into a reward pocket or a payout zone.

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Contestants would let go of a small playing token, referred to as the Plinko piece, from the starting position. As it bounced through the grid, the chip would collide with pins in a unpredictable manner before ending up at one of several prize sections, each associated with a different winning sum.