Seen from space, this effect is stark. Meteosat-9, a European weather satellite, has in the past captured a snapshot of Earth’s terminator during the vernal equinox, which denotes the ...

A diagram depicting the fall equinox, one of only two times when the Earth's axis is tilted neither toward nor away from the sun. NWS Boulder You are viewing 1 of 3 images Previous Image Next Image ...

Currently rocketing toward Earth at over 650,000 miles per hour (1,046,073 kilometers per hour), this tendril of solar plasma will only strike a glancing blow on Earth's protective magnetic bubble ...

During the September equinox, the sun’s direct rays cross Earth’s equator into the Southern Hemisphere, ... The 2023 autumnal equinox arrives Saturday at 2:50 a.m. Eastern time.

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.

The autumnal equinox is upon us, and vibrant falling leaves aren’t the only things returning to our skies. The aurora borealis, a.k.a. the northern lights, will begin to dazzle in high-latitude ...

An equinox occurs twice a year. The autumnal equinox occurs in September – when the Earth's axis is tilted neither toward nor away from the sun, resulting in roughly 12 hours of daylight and 12 ...

The spring equinox takes place on March 20, 2023. Here's how Earth and the sun align to cause the celestial event, and what it means.

The Spring Equinox occurs when the sun crosses directly over the Earth’s equator, a phenomenon known as the “vernal equinox.” At this point, the Earth’s axis is neither tilted toward nor ...

Earth isn’t the only planet that experiences equinoxes: Every planet in our solar system has them. In 2009, the Cassini probe in orbit around Saturn captured an equinox on the ringed planet .

YouTube user Wolfie6020, a globe-Earth proponent, demonstrated this by building a scale model of the flat-Earth-style sun as it would be seen from Sydney on a vernal equinox.

A diagram depicting the fall equinox, one of only two times when the Earth’s axis is tilted neither toward or away from the sun. NWS Boulder Geomagnetic storm from the sun expected to blast ...