As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

The equinox is a fascinating astronomical event that occurs twice a year when the Earth's axis aligns in such a manner that both the Northern and Southern Hemispheres receive equal sunlight. This ...

But due the slow wobble of Earth's axis or axial precession ... and Southern Hemispheres receive equal sunlight, making day and night nearly the same length all over the world,” it added.

During the equinox, the Earth’s axis and its orbit line up so that both hemispheres get an equal amount of sunlight. The word equinox comes from two Latin words meaning equal and night. That’s because ...

Earth's rotation causes day and night, but the revolution (or orbit) of Earth around the sun, combined with the tilt of the Earth's axis, is what causes seasons. "Seasons are caused by the fact ...

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, summer solstice and more.

The Earth’s axis is at right angles to the line from sun to Earth, the sun is directly over the equator and the lengths of day and night are approximately equal. Equinoxes are of interest for ...

At the equinox, the Earth's axis is tilted neither towards nor away from the Sun, making day and night nearly equal in length. At the equinox the Earth's axis (shown by a black line) is neither ...

The Earth rotates along an imaginary line that runs from North Pole to South Pole. It’s called the axis, and this rotation is what gives us day and night. However, the axis tilts at 23.5 degrees, as ...

On this day, the Earth's axis is not tilted toward or away from ... The equinoxes occur when the sun is right above the equator, making day and night equally long. The solstices occur on the ...

The team used more than a decade’s worth of observations of Uranus’ unique aurorae taken with Hubble and refined the planet’s ...