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

around March 20th and September 23rd. The ecliptic is the apparent orbit of the sun through the zodiac over a year and the celestial equator is an extension of the Earth’s equator into space.

SpaceX launched the Fram2 with four people aboard over the Earths’ poles on Monday night, marking the first time humans have ever flown such a mission.

At precisely 9:01 UTC (5:01 a.m. EDT) on March 20, our star will cross the celestial equator during the vernal (spring) equinox. Earth's axis will be side-on to the sun, meaning there will be more ...

The Earth’s equator is aligned directly with ... At this point in time, the Sun crosses the celestial equator and moves north. In the Northern Hemisphere, the spring (vernal if you’re nasty ...

Per the Old Farmer's Almanac, the celestial equator is an imaginary line in the sky above the Earth's equator. During the spring equinox, the Northern and Southern Hemisphere receive a nearly ...

We can officially say goodbye to winter on Thursday at 5:01 a.m. Eastern time — this is the moment when the center of the sun’s disc stands directly above the Earth’s equator and enters the ...