September 1, 2021
[Alex on EARTHSKY.ORG] Aurora alert! A pair of coronal mass ejections will reach Earth September 1-2, 2021. Though not dangerous to satellites or the grid, they might cause auroras.
July 4, 2021
This farthest point occurs July 5, 2021, at 6:27 pm EDT or 10:27 pm UTC. At that time the distance from Earth’s center to the Sun’s center will be 94,510,886 miles (152,100,527 km).
June 20, 2021
What a great way to celebrate the Sun's importance in our lives—a stamp series from the United States Postal Service. #SunScienceStamps #NASASunScience
June 20, 2021
The June Solstice for 2021 occurs on June 21st at 3:22 UTC (11:32 pm EDT on June 20th). It is the beginning of summer for the northern hemisphere and winter for the southern hemisphere.
June 10, 2021
Special recap from co-founder of The Sun Today: "I had a serenade of 17-year-cicadas! Total solar eclipses have the 360-degree sunset effect, but I had the 360-degree sunrise+cicada effect. Truly spectacular!"
May 24, 2021
Every year we get a collection of 4 to 7 eclipses somewhere on Earth, either lunar, solar, partial, or total. These eclipses come in seasons, a 35-day period with typically two eclipses sometimes three. There are usually two seasons per year. 2021 has two.
March 19, 2021
WHOOO HOO! It’s a change of season! The next Equinox occurs on March 20, 2021, at 9:36 UT (5:36 am ET). It’s the Vernal (Spring) equinox for the Northern Hemisphere! It’s the Autumnal (Fall) equinox for the Southern Hemisphere! But […]
February 8, 2021
February 9, 2021 marks the one year anniversary of the launch of the ESA/NASA Solar Orbiter Mission. It was launched from Kennedy Space Center at 11:03 pm ET on February 9, 2020. This mission is a single spacecraft designed with […]
December 21, 2020
December 21, 2020 is an amazing day for astronomy lovers! It's the December Solstice and the Great Conjunction of Saturn & Jupiter. Here's how they connect and some easy suggestions for making your own observations of the sky.
November 28, 2020
The second eclipse season of 2020 is here with a penumbral lunar eclipse & total solar eclipse...with bonus sky-watching tips!
September 21, 2020
This marks the beginning of fall for the Northern Hemisphere and the beginning of spring for the Southern Hemisphere. The change happens at 9:30 a.m. EDT (1330 UTC/GMT) on Tuesday, September 22.
July 3, 2020
Happy Aphelion 2020! July is summer in the northern hemisphere and you might think this means we are closer to the Sun. This is a common misconception. Earth is actually farther from the Sun in July and on July 4th […]