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 ...

One small grain of moon dust, one giant leap for lunar studies

Scientists have found a new way to analyze the chemistry of the moon's soil using a single grain of dust brought back by Apollo 17 astronauts in 1972. Their technique can help us learn more about conditions on the surface of the moon and formation of precious resources like water and helium there.

from Astronomy News -- ScienceDaily https://ift.tt/2tGYk7A

Comments

Popular Posts