Astronomy | Astrophysics Answers

is the sun flat

what is the angle of earth center to the sun center

does orbiting of the sun around milky cause the earth to move away from the sun ?

Which very intense meteor shower is taking place annually in December?

what is force

Where in the night sky can you observe the famous double star system Mizar and Alcor?

Which very intense meteor shower is taking place annually in December?

The star of a distant solar system explodes as a supernova .At the moment of the explosion ,an resting exploration spaceship is AU away from the shock wave . The shock wave of the explosion spaceship travels with 25000km/s towards the spaceship .To save the crew , the spacecraft makes use of a special booster that uniformly accelerates at 150m/s^2 in the opposite direction .

Determine if the crew manages to escape from the shock wave (neglect relativistic effects)

In 5 minutes, a current of 5 amps is established in a wire. How many coulombs and how many electrons pass through each cross section of this wire?

A star has twice the diameter and twice the surface temperature of our sun.how will it's luminosity compare with that of our sun