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While it takes light approximately 2.54 million years to traverse the gulf of space between Earth and, for instance, the Andromeda Galaxy, it would take a much shorter amount of time from the point of view of a traveler at close to the speed of light due to the effects of time dilation; the time experienced by the traveler depending both on velocity (anything less than the speed of light) and ...
Martin and his friend Sam Hull set the time machine to the year 2073. Arriving in the year 2073, Martin finds his house in ruins and the nearby village completely gone. The men attempt to return to 1973, only to find that the time machine does not have the energy required to move backwards in time further than 2008.
14-year-old Susan Shawson travels in time in her building's elevator, as altered by a retired physicist living in her building. It transports her from 1998 back to the same place in other years, depending on the order of buttons pushed. In 1881, she meets Victoria Walker, a girl her own age in need of assistance with her own family problems.
Look up into the sky this month and you might see a rare comet that won’t return for tens of thousands of years. Comet Tsuchinshan-ATLAS, also known as C/2023 A3 to scientists and pronounced ...
It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...
The 12P/Pons-Brooks comet — also known as the "devil's comet," thanks to a flare-up last year that made it look as if it had a devil's horns — only comes into full view once every 71 years, so ...
One Hundred Years Ahead, also in English territories titled as Guest from the Future (Russian: Сто лет тому вперёд, romanized: Sto let tomu vperyod, lit. 'One Hundred Years Ahead') is a 2024 Russian teen science fiction film directed by Alexander Andryushchenko, loosely based on the 1978 Soviet novel of the same name by Kir ...
Losing the dark. Light pollution, the term for the brightening of the night sky by unnatural lights, is increasing worldwide. On average, skies are getting 10% brighter each year globally, with ...