The energy of a photon

The light from Polaris is 24.2 times less intense than the light received from Sirius. Which star is the truly brighter star, that is, emitting more visual light at its surface?

On the Moon, no air is present. As such, which of the following waves cannot be detected.

Which of the following planets can be seen as a crescent phase from Earth?

The Moon’s angular diameter in our sky as observed from Earth is measured to be 0.5°. From this, we can find the diameter of the Moon in kilometers if we also know the Moon’s

If you point toward the zenith right now and then point there again 6 hours later, you will have pointed twice in the same direction relative to

The celestial sphere is a scientific model.

A waxing crescent Moon is visible

Toby thought it was a good idea to take on the Tide Pod Challenge. Due to consuming the Tide Pod, Toby has gained 150 grams of a detergent in 1L of water (MW of the detergent is 980g/mol and the detergent dissociates into 5 osmoles). Toby’s normal osmolarity before ingesting the Tide Pod was 289mOsm/L and he weighs 220lbs. Please do the following: (Round all calculations to whole number). Use this information for the next FIVE questions.

During an action potential, the hyperpolarization phase occurs due to: