Diskuse - Samsung Galaxy Nexus
BrandonEmazy (25.4.2025 13:47)
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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Ďëîůŕäęŕ ęđŕęĺí
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.”
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.
<a href=https://kra31s.cc>kra cc</a>
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.
https://kra31s.cc
Ďëîůŕäęŕ ęđŕęĺí
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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ÍîâîńňčÎíëŕéíĂëŕâíűĺ (25.4.2025 11:40)
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Ńëĺäčňĺ çŕ ŕęňóŕëüíűěč ńîáűňč˙ěč íŕ íŕřĺě ńŕéňĺ â óäîáíîě ôîđěŕňĺ. Ńâĺćčĺ ńîáűňč˙ áĺç ďĺđĺőîäîâ č ęëčęîâ.
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Ńëĺäčňĺ çŕ ŕęňóŕëüíűěč ńîáűňč˙ěč íŕ íŕřĺě ńŕéňĺ â óäîáíîě ôîđěŕňĺ. Ńâĺćčĺ ńîáűňč˙ áĺç ďĺđĺőîäîâ č ęëčęîâ.
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Đĺěîíň ŔĘĎĎ ďĺđĺäŕ÷ (Ęîđîáęŕ ŕâňîěŕň) çŕäŕ÷ęŕ, ňđĺáóţůŕ˙ ďđîô ďîäőîäŕ. Ěîńęâŕ ďđĺäëŕăŕĺň áîëüřîé âűáîđ ŕâňîńĺđâčńîâ, č číîăäŕ ňđóäíî ďîí˙ňü, ęŕęîé-íčęŕęîé čç íčő âďđŕâäó ńňîčň âŕřĺăî äîâĺđč˙. Đŕńńęŕçűâŕĺě, íŕ ÷ňî îáđŕňčňü âíčěŕíčĺ â ěîěĺíň âűáîđŕ ńĺđâčńŕ.
Đĺďóňŕöč˙ č îňçűâű
Äî ýňîăî âńĺăî, čçó÷čňĺ đĺďóňŕöčţ ŕâňîńĺđâčńŕ. Ďđî÷čňŕéňĺ îňçűâű íŕ Yandex.Ęŕđňŕő, Ăóăë, ôîđóěŕő ŕâňîěîáčëčńňîâ, ďđîôčëüíűő ăđóďďŕő â Telegram ëčáî ÂĘîíňŕęňĺ. Îńîáîĺ âíčěŕíčĺ óäĺë˙éňĺ îňđčöŕňĺëüíűě îňęëčęŕě: ďîâňîđ˙ţůčĺń˙ ďđĺď˙äńňâč˙ áĺńďîęîéíűé ńčăíŕë.
Ńďĺöčŕëčçŕöč˙ č îďűň
Ëó÷řĺ âűáčđŕňü ńĺđâčńű, ęîňîđűĺ ńďĺöčŕëčçčđóţňń˙ ęîíęđĺňíî íŕ đĺěîíňĺ ŔĘĎĎ ŕ íĺ îęŕçűâŕţň óńëóăč "âńĺăî ÷óňü-÷óňü". Óňî÷íčňĺ, ęŕęîé-íčęŕęîé îďűň ó ěŕńňĺđîâ, đŕáîňŕţň ëč îíč ń âŕřĺé ěŕđęîé č ěîäĺëüţ ŕâňîěîáčë˙, ęŕęîé-íčęŕęîĺ ďđîôčëüíîĺ îáîđóäîâŕíčĺ čńďîëüçóţň.
Îńíŕůĺíčĺ č äčŕăíîńňčęŕ
Ńîâđĺěĺííűé ńĺđâčń îá˙çŕí čěĺňü ńďĺöîáîđóäîâŕíčĺ äë˙ äčŕăíîńňčęč č đĺěîíňŕ Ęîđîáęŕ ŕâňîěŕň. Óçíŕéňĺ, ęŕę îđăŕíčçîâŕí ďđîöĺńń: ęŕę îáű÷íî ăđŕěîňíűé ěŕńňĺđ ńíŕ÷ŕëŕ ďđîâîäčň ęîěďüţňĺđíóţ äčŕăíîńňčęó, đŕçáčđŕĺň ęîđîáęó, îöĺíčâŕĺň čçíîń äĺňŕëĺé, ńîăëŕńîâűâŕĺň ń âŕěč ďĺđĺ÷ĺíü đŕáîň.
Ăŕđŕíňčč č ďđîçđŕ÷íîńňü
×ĺńňíűé ŕâňîńĺđâčń çŕęëţ÷ŕĺňń˙ â ďđîçđŕ÷íűő đŕń÷ĺňŕő č íŕëč÷čč ďčńüěĺííîé ăŕđŕíňčč íŕ âűďîëíĺííűĺ đŕáîňű č óńňŕíîâëĺííűĺ äĺňŕëč. Íĺ îďŕńŕéňĺńü óňî÷í˙ňü, ęŕęčĺ čěĺííî äĺňŕëč áóäóň čńďîëüçîâŕňüń˙ îđčăčíŕëüíűĺ, ęîíňđŕęňíűĺ čëč ŕíŕëîăč.
Ńđîęč đĺěîíňŕ
Ďîčíňĺđĺńóéňĺńü, ęŕę äîëăî óéäĺň íŕ äčŕăíîńňčęó č đĺěîíň. Ńëčřęîě áűńňđűĺ ńđîęč ěîăóň ńęŕçŕňü î ďîâĺđőíîńňíîě ďîäőîäĺ, ŕ çŕň˙íóňűĺ î âĺđî˙ňíűő ďđîáëĺěŕő ń çŕďŕńíűěč ÷ŕńň˙ěč čëč î÷ĺđĺäüţ <a href=https://megapolis-nlp.ru/2025/04/23/osnovnye-uslugi-po-remontu-akpp-v-avtotehczentre/>https://megapolis-nlp.ru/2025/04/23/osnovnye-uslugi-po-remontu-akpp-v-avtotehczentre/</a>
Äîďîëíčňĺëüíűĺ óńëóăč
Âíčěŕíčĺ ę äĺňŕë˙ě ďđčçíŕę őîđîřĺăî ńĺđâčńŕ. Ďđĺäëŕăŕĺňń˙ ëč áĺńďëŕňíŕ˙ äčŕăíîńňčęŕ? Ĺńňü ëč ýâŕęóŕňîđ? Ęŕęčě îáđŕçîě îńóůĺńňâë˙ĺňń˙ îáůĺíčĺ ďî ňĺëĺôîíó ëčáî ÷ĺđĺç ěĺńńĺíäćĺđű, ďđĺäîńňŕâë˙ţň ëč ôîňî č âčäĺîîň÷ĺňű?
Öĺíű č ńîďîńňŕâëĺíüĺ
Íĺ ăîíčňĺńü çŕ ńŕěîé íčçęîé öĺíîé ęŕ÷ĺńňâĺííűé đĺěîíň Ęîđîáęŕ ďĺđĺäŕ÷ íĺ ěîćĺň áűňü äĺřĺâűě. Çŕďđîńčňĺ äĺňŕëčçŕöčţ đŕń÷ĺňŕ, ńđŕâíčňĺ ń ďđĺäëîćĺíč˙ěč ó číűő ńĺđâčńîâ. Ęŕę îáű÷íî äîáđîńîâĺńňíűĺ ďđîôĺńńčîíŕëű ăîňîâű đŕçú˙ńíčňü, ďî÷ĺěó ňîň čëč číîé đĺěîíň ńňîčň îďđĺäĺë¸ííóţ íĺîáőîäčěóţ ńóěěó.
Çŕęëţ÷ĺíčĺ
Ďđŕâčëüíűé âűáîđ ŕâňîńĺđâčńŕ ăŕđŕíňč˙ äîëăîé č íĺîňęŕçíîé đŕáîňű âŕřĺé Ęîđîáęŕ ŕâňîěŕň. Čńňđŕňüňĺ ÷óňü-÷óňü ěĺäëč íŕ ďîčńę, íĺ ńňĺńí˙éňĺńü ńďđŕřčâŕňü č äîáčâŕňüń˙ ďđîçđŕ÷íîńňč.  čňîăĺ âű čçáĺćčňĺ čçëčříčő ôčíŕíńîâűő çŕňđŕň č ďđîáëĺě íŕ äîđîăĺ.
Óäŕ÷íîăî đĺěîíňŕ č óâĺđĺííîé ĺçäű ďî Ěîńęâĺ!
Đĺďóňŕöč˙ č îňçűâű
Äî ýňîăî âńĺăî, čçó÷čňĺ đĺďóňŕöčţ ŕâňîńĺđâčńŕ. Ďđî÷čňŕéňĺ îňçűâű íŕ Yandex.Ęŕđňŕő, Ăóăë, ôîđóěŕő ŕâňîěîáčëčńňîâ, ďđîôčëüíűő ăđóďďŕő â Telegram ëčáî ÂĘîíňŕęňĺ. Îńîáîĺ âíčěŕíčĺ óäĺë˙éňĺ îňđčöŕňĺëüíűě îňęëčęŕě: ďîâňîđ˙ţůčĺń˙ ďđĺď˙äńňâč˙ áĺńďîęîéíűé ńčăíŕë.
Ńďĺöčŕëčçŕöč˙ č îďűň
Ëó÷řĺ âűáčđŕňü ńĺđâčńű, ęîňîđűĺ ńďĺöčŕëčçčđóţňń˙ ęîíęđĺňíî íŕ đĺěîíňĺ ŔĘĎĎ ŕ íĺ îęŕçűâŕţň óńëóăč "âńĺăî ÷óňü-÷óňü". Óňî÷íčňĺ, ęŕęîé-íčęŕęîé îďűň ó ěŕńňĺđîâ, đŕáîňŕţň ëč îíč ń âŕřĺé ěŕđęîé č ěîäĺëüţ ŕâňîěîáčë˙, ęŕęîé-íčęŕęîĺ ďđîôčëüíîĺ îáîđóäîâŕíčĺ čńďîëüçóţň.
Îńíŕůĺíčĺ č äčŕăíîńňčęŕ
Ńîâđĺěĺííűé ńĺđâčń îá˙çŕí čěĺňü ńďĺöîáîđóäîâŕíčĺ äë˙ äčŕăíîńňčęč č đĺěîíňŕ Ęîđîáęŕ ŕâňîěŕň. Óçíŕéňĺ, ęŕę îđăŕíčçîâŕí ďđîöĺńń: ęŕę îáű÷íî ăđŕěîňíűé ěŕńňĺđ ńíŕ÷ŕëŕ ďđîâîäčň ęîěďüţňĺđíóţ äčŕăíîńňčęó, đŕçáčđŕĺň ęîđîáęó, îöĺíčâŕĺň čçíîń äĺňŕëĺé, ńîăëŕńîâűâŕĺň ń âŕěč ďĺđĺ÷ĺíü đŕáîň.
Ăŕđŕíňčč č ďđîçđŕ÷íîńňü
×ĺńňíűé ŕâňîńĺđâčń çŕęëţ÷ŕĺňń˙ â ďđîçđŕ÷íűő đŕń÷ĺňŕő č íŕëč÷čč ďčńüěĺííîé ăŕđŕíňčč íŕ âűďîëíĺííűĺ đŕáîňű č óńňŕíîâëĺííűĺ äĺňŕëč. Íĺ îďŕńŕéňĺńü óňî÷í˙ňü, ęŕęčĺ čěĺííî äĺňŕëč áóäóň čńďîëüçîâŕňüń˙ îđčăčíŕëüíűĺ, ęîíňđŕęňíűĺ čëč ŕíŕëîăč.
Ńđîęč đĺěîíňŕ
Ďîčíňĺđĺńóéňĺńü, ęŕę äîëăî óéäĺň íŕ äčŕăíîńňčęó č đĺěîíň. Ńëčřęîě áűńňđűĺ ńđîęč ěîăóň ńęŕçŕňü î ďîâĺđőíîńňíîě ďîäőîäĺ, ŕ çŕň˙íóňűĺ î âĺđî˙ňíűő ďđîáëĺěŕő ń çŕďŕńíűěč ÷ŕńň˙ěč čëč î÷ĺđĺäüţ <a href=https://megapolis-nlp.ru/2025/04/23/osnovnye-uslugi-po-remontu-akpp-v-avtotehczentre/>https://megapolis-nlp.ru/2025/04/23/osnovnye-uslugi-po-remontu-akpp-v-avtotehczentre/</a>
Äîďîëíčňĺëüíűĺ óńëóăč
Âíčěŕíčĺ ę äĺňŕë˙ě ďđčçíŕę őîđîřĺăî ńĺđâčńŕ. Ďđĺäëŕăŕĺňń˙ ëč áĺńďëŕňíŕ˙ äčŕăíîńňčęŕ? Ĺńňü ëč ýâŕęóŕňîđ? Ęŕęčě îáđŕçîě îńóůĺńňâë˙ĺňń˙ îáůĺíčĺ ďî ňĺëĺôîíó ëčáî ÷ĺđĺç ěĺńńĺíäćĺđű, ďđĺäîńňŕâë˙ţň ëč ôîňî č âčäĺîîň÷ĺňű?
Öĺíű č ńîďîńňŕâëĺíüĺ
Íĺ ăîíčňĺńü çŕ ńŕěîé íčçęîé öĺíîé ęŕ÷ĺńňâĺííűé đĺěîíň Ęîđîáęŕ ďĺđĺäŕ÷ íĺ ěîćĺň áűňü äĺřĺâűě. Çŕďđîńčňĺ äĺňŕëčçŕöčţ đŕń÷ĺňŕ, ńđŕâíčňĺ ń ďđĺäëîćĺíč˙ěč ó číűő ńĺđâčńîâ. Ęŕę îáű÷íî äîáđîńîâĺńňíűĺ ďđîôĺńńčîíŕëű ăîňîâű đŕçú˙ńíčňü, ďî÷ĺěó ňîň čëč číîé đĺěîíň ńňîčň îďđĺäĺë¸ííóţ íĺîáőîäčěóţ ńóěěó.
Çŕęëţ÷ĺíčĺ
Ďđŕâčëüíűé âűáîđ ŕâňîńĺđâčńŕ ăŕđŕíňč˙ äîëăîé č íĺîňęŕçíîé đŕáîňű âŕřĺé Ęîđîáęŕ ŕâňîěŕň. Čńňđŕňüňĺ ÷óňü-÷óňü ěĺäëč íŕ ďîčńę, íĺ ńňĺńí˙éňĺńü ńďđŕřčâŕňü č äîáčâŕňüń˙ ďđîçđŕ÷íîńňč.  čňîăĺ âű čçáĺćčňĺ čçëčříčő ôčíŕíńîâűő çŕňđŕň č ďđîáëĺě íŕ äîđîăĺ.
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