As the Earth orbits the Sun, nearby stars will appear to move slightly against the more distant stars in the background. We can therefore measure the distance to a star as it is seen from Earth 6 months apart.
The astronomical unit of time is the day.
The astronomical unit of mass is the solar mass.
#0
✅
Loading ...
FULL SCREEN
SHOW ANSWER
#0
✅
Loading ...
FULL SCREEN
SHOW ANSWER
Enjoy using the resources? Log it to view 50% more questions in full screen.
