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 ...

farthest star discovered "MACS J1149+2223 Lensed Star 1" or "Icarus"

The farthest star discovered so far is known as "MACS J1149+2223 Lensed Star 1" or "Icarus." This star was observed using the Hubble Space Telescope and was found in the galaxy cluster MACS J1149+2223, located about 5 billion light-years away from Earth."Icarus" is not a star within our own Milky Way galaxy but is actually a blue supergiant star in a galaxy located much farther away. Its light was magnified and lensed by the gravitational effects of the massive galaxy cluster situated between "Icarus" and Earth.This discovery of "Icarus" in 2018 pushed the boundaries of our ability to observe and study individual stars at such vast distances. The study of "Icarus" and other distant stars helps astronomers better understand the properties and evolution of stars across cosmic distances, providing valuable insights into the history and nature of the universe

Comments

Popular Posts