Skip to main content

Featured

Mars and Earth - Small difference & big consequences

Einstein's theory of relativity suggests that time is not a constant and can vary based on gravitational fields and speed. In a strong gravitational field, time moves slower compared to a weaker one. Since Mars has a weaker gravitational field than Earth, time actually flows slightly faster there.  This concept has implications for future space missions, as the timing of communication and operation of spacecraft will need to account for this difference in how time elapses on Mars compared to Earth. Missions may need to adjust their schedules, operations, and technology to ensure accuracy and synchronization with Earth. Basically, the moment you bring gravity and velocity into the picture, time stops behaving like the simple, universal tick‑tock we experience in everyday life. And you’re absolutely right: Mars’ weaker gravity means clocks there run a little faster than clocks on Earth. What’s fascinating is how small the difference is—and how big the consequences become ...

SPT-CL J2106-5844 is the most massive high-redshift galaxy cluster, study finds

Using data from the Hubble Space Telescope (HST), astronomers have conducted a detailed high-resolution study of a massive galaxy cluster known as SPT-CL J2106-5844. The research, presented in a paper published October 10 on arXiv.org, delivers precise mass determination of SPT-CL J2106-5844, finding that it is the most massive high-redshift galaxy cluster known to date.

from Astronomy News - Space News, Exploration News, Earth Science News, Earth Science https://ift.tt/35WePL9

Comments

Popular Posts