01-07-2024, 11:42 PM
(01-07-2024, 11:24 PM)Tee tiong huat Wrote: There is bright night or and day time, anytime light like in earth, their is 4 light years from us...
https://youtu.be/lGPXYrVUloM?si=v6XVtzQHnaOfhrTM
An image of distant galaxies captured by the NASA/ESA Hubble Space Telescope. Credit: ESA/Hubble & NASA, RELICS; Acknowledgment: D. Coe et al.
For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km).