The Earth radiates energy similarly to the sun. Some of the Earth's material breaks down constantly, which causes heat. This is the source of Earth's internal heat, and what drives plate tectonics.
Features on Earth radiate warmth at different frequencies, which show up as different colors on Landsat images.
The epicentre of an earthquake is the point on the Earth's surface directly above the point within the Earth where the earthquake actually occurred (known as the focus or hypocentre). From this point on the surface the waves of the earthquake radiate outward like the ripples in a pond when a stone is thrown in.
The energy of the few photons of light striking the Earth from those distant objects can be expressed but it is meaningless to do so as the Earth itself is full of radioactive materials that fission and radiate more heat than all the starlight (exepting the Sun of course) combined.
Days and nights would be twice as long, obviously. The slower rotation would have impacts on the weather, much of which is driven by the Earth spinning. Days would be warmer and nights cooler, for example, because each spot on the Earth would have twice as long in the sunshine to heat up, with twice as long at night for heat to radiate away.
An earthquake epicenter is always located on the ground right about the focus. The focus occurs where one piece of land slides against another. The sliding can be up and down or sideways or a combination of up-down and sideways. There can also be surface indications. The main action occurs underground.
The earth does reflect light, but does not produce light.
Telescope. Nebulae radiate like everything else in the universe.
Longwave (mostly infrared)
The convection cells radiate heat.
the greenhouse effect
The Sun emits its radiations in all directions, not specifically towards Earth. Some of the radiation just happens to come in this direction.
Her face seemed to radiate kindness. Spokes radiate from an axle.
The convection cells radiate heat.
The convection cells radiate heat.
The convection cells radiate heat.
The convection cells radiate heat.
The sun will radiate.