The seasons ... be directly over Earth’s equator, and the lengths of the day and the night are equal over most of the planet. On March 20 or 21 of each year, the Northern Hemisphere reaches ...

Summer officially began today (June 21) at 10:57 a.m. EDT (1457 GMT). Summer officially began in the Northern Hemisphere today (June 21), marking the longest day of the year. During the June ...

Astronomical spring is on the rise in the Northern Hemisphere during the ... It's because of the Earth's axis that we experience the seasons. The axis is tilted by 23.5 degrees with respect ...

Spring, summer, fall and winter–the seasons on Earth change every ... is around 23 degrees from vertical for Earth. So, the Northern Hemisphere experiences more intense sunlight during the ...

The June solstice — the moment when the North Pole of Earth’s axis is tilted as near as possible toward the Sun and summer officially begins in the Northern Hemisphere — occurs on or about ...

That ancient bump is what caused the Earth's seasons — times of the year ... Earth is divided into a northern and southern hemisphere by an imaginary ring called the equator.

This collision caused the Earth to wobble or tilt on it's axis, creating seasons! As the axis tilts away from the sun's rays in the Northern Hemisphere, this is the winter solstice. Also known as ...

The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere ... Astronomical seasons depend on how the Earth moves around the sun.

The autumn equinox, which comes around every September for the Northern Hemisphere ... Astronomical seasons depend on how the Earth moves around the sun. As the Earth travels around the sun ...

Earth's axis will be side-on to the sun, meaning there will be more daylight in the Northern Hemisphere from then until June's solstice. Besides the beginning of astronomical spring, it also ...

a planet that’s perfectly aligned wouldn’t have seasons. But Earth isn’t perfectly aligned on its axis. This small misalignment, called an obliquity, is around 23 degrees from vertical for Earth. So, ...