Astronomy Fact of the Day: March 08, 2018

Earth is the only planet we know that can support liquid water on its surface. There are also two moons thought to have liquid water under their frozen surface. These are Europa and Enceladus.

Night Sky Update For The Week of Tuesday, March 6, 2018

This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Tuesday, March 6. All times are given as local St. Louis time (Central Standard Time). For definitions of terminology used in the night sky update, click the highlighted text. Information updated weekly or as needed. Join us for our next star… Continue reading

Astronomy Fact of the Day: March 04, 2018

On this day in 1923 Sir Patrick Alfred Caldwell-Moore was born. He was a prominent amateur astronomer who authored numerous books on astronomy and created the Caldwell Catalogue of deep sky objects.

Astronomy Fact of the Day: March 03, 2018

Tonight at 8pm if you look south you will find the bright star Sirius. This is the brightest start in our sky because it is the 7th nearest star to the Sun if you include brown dwarf stars.

Astronomy Fact of the Day: March 01, 2018

Earth is the 3rd planet from the Sun taking 365.25 days to complete one revolution. The Moon takes 29.5 days to revolve around Earth. These two periods are the basis for a year and a month respectively.