If two stars had equal absolute brightness, what else would most likely be equal? O energy
O distance from Earth
O apparent magnitude
o chemical composition
help please time timed

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.