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Partial solar eclipse of April 30, 2022

A partial solar eclipse occurs April 30, 2022. The moon's penumbral shadow will sweep across the southeast Pacific and southern South America.

Fred Espenak

Editors of EarthSky

April 29, 2022

Fireball over Germany! Did you see it?

A fireball lit up the skies over Germany last night. If you witnessed this fireball the IMO invites you to fill out a fireball report as soon as possible.

Robert Lunsford

April 16, 2022

Clock time and sun time agree in mid-April

Sun time and clock agree every year in mid-April. It means that, when the midday sun climbs highest, both sundial and your local clock read 12 noon.

Bruce McClure

April 15, 2022

Double star orbits: New charts of Sirius and Albireo

Learn more about the double star orbits of 2 famous stars - Sirius and Albireo - with these fascinating charts from Guy Ottewell.

Guy Ottewell

March 16, 2022

Watch live as an asteroid safely passes Earth on February 22

Asteroid 1999 VF22 will swing past Earth at a safe distance on February 22, 2022. You can watch the event live via Virtual Telescope.

Eddie Irizarry

February 18, 2022

Circumpolar stars stay up all night long

Circumpolar stars are those that never rise nor set from a certain location. At the poles, all stars are circumpolar, while at the equator, no star is.

Bruce McClure

February 18, 2022

Opposition: A definition for stargazers

Opposition is a great time for stargazers to observe an object such as an outer planet because it rises at sunset, sets at sunrise, and is visible all night.

Kelly Kizer Whitt

January 15, 2022

Venus passages compared: 2017 to 2022

Venus will sweep near the sun in our sky (inferior conjunction) on January 8-9. Astronomer Guy Ottewell uses his great skill at illustration to compare this with past Venus passages.

Guy Ottewell

January 7, 2022