An astronaut spent 1 year in space how many hours is that

To know how many hours are in one year just divide 365 days by 24 hours.

Step-by-step explanation:

As you move faster in space, time goes slower. it really depends on what planet you are on for example here are the times of different planets for ↓>day lengths<↓ . . .

venus: 5,832 hours

earth:  24 hours

mars:  25 hours

jupiter:  10 hours

saturn:     11 hours  

Uranus:17 hours

Neptune:  16 hours

×║hope this helps║×

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°