Astronomy Fact of the Day: September 5, 2018

On this date in 1977 the Voyager 1 spacecraft launched into space. During its mission Voyager 1 visited the planets Jupiter and Saturn and in 2012 it became the first spacecraft to leave the solar system. Learn More about Voyager 1

Astronomy Fact of the Day: September 4, 2018

Ceres is the only Dwarf planet in the inner solar system. It is the largest body in the main asteroid belt making up about 54% of all the mass in the belt. Ceres is currently found in the constellation Leo. Learn More about Ceres

Astronomy Fact of the Day: September 2, 2018

Beyond Neptune is the realm of the icy bodies of our solar system. The best known is the dwarf planet Pluto. Other dwarf planets out here are Eris, Makemake and Haumea. Learn More about Dwarf Planets

Astronomy Fact of the Day: September 1, 2018

Look to the northeast tonight around 9pm and you will find the constellation Cassiopeia. She appears as a bright “W” shape of stars which will be useful for finding other objects in the fall sky. Learn More about Cassiopeia

Astronomy Fact of the Day: August 31, 2018

With less than one month left in summer, you can find the fall sky rising by 8:30pm. As fall approaches the spring sky lingers in the west while the fall sky replaces the summer in the east.

Astronomy Fact of the Day: August 30, 2018

Neptune like the rest of the solar system is roughly 4.5 billion years old. It is believed that Uranus and Neptune were closer to the Sun when they formed and later migrated to their current orbits due to gravitational influence from Jupiter and Saturn.

Night Sky Update For The Week of August 28, 2018

This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Tuesday, August 28. All times are given as local St. Louis time (Central Daylight 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