Astronomers can measure it by way of luminosity which is the power of a star or the amount of energy (light) the star admits from its surface. they also measure the brightness of a start as if it were to appear 32.6 light years from Earth
No, Heat moves from concentrations of high to low.
Answer:
C
Explanation:
Cause waves causes gravity to make higher waves
Answer:
yes, it is increased by atomic mass
Explanation:
Fe needs to have a positive charge of +3 to balance out -3 Cl
