Both measurements imply that approximately half of the Earth’s heat caused by radioactivity (20 terawatts) can be explained by decays of uranium and thorium. The source of the remaining 50% is ...

On Friday, Earth will swing toward the outermost point in its orbit, known as aphelion. You, me and everyone on the planet will be 3 million miles farther from the sun than when we are closest to it.

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

Distance Won't Dampen Fourth of July Heat. ... Earth's north-south axis is tilted by about 23.4 degrees, so during its orbit the Poles point in different directions from the sun.

Good morning! Top o’ the orbit to you! At 8:06 P.M. UTC (4:06 P.M. EDT) on July 6, 2023, Earth will reach the point in its orbit when it’s farthest from the sun. In a sense, it’s like our ...

Earth-sun distance dramatically alters seasons in the equatorial Pacific in a 22,000-year cycle An unrecognized effect boosts or diminishes the Pacific cold tongue, likely impacting El Niño/La ...

It may not be obvious while lying in the sun on a hot summer’s day, but a considerable amount of heat is also coming from below you – emanating from deep within the Earth. This heat is equivalent to ...