St. Louis Science Center: Astronomy Fact Of The Day: November 16, 2021

Tonight the Moon will be found in the constellation Pisces exhibiting a waxing gibbous phase with roughly 94% disk illumination. For tho ...

St. Louis Science Center: Astronomy Fact Of The Day: November 13, 2021

Today in 1971, Mariner-9, the first man-made object to orbit another planet, entered Martian orbit. The mission of the unmanned craft wa ...

St. Louis Science Center: Astronomy Fact Of The Day: November 12, 2021

Tomorrow morning around 5 am, the bright star called Arcturus is rising in the east. Arcturus is the brightest star in the constellation ...

St. Louis Science Center: Astronomy Fact Of The Day: November 10, 2021

Tonight the Moon will exhibit a waxing crescent phase with roughly 44% of the lunar disk illuminated. Those with telescopes can track do ...

St. Louis Science Center: Astronomy Fact Of The Day: November 9, 2021

Today in 1934, Carl Sagan was born. Sagan was an American astronomy and science communicator who helped to popularize space science thro ...

St. Louis Science Center: Astronomy Fact Of The Day: November 7, 2021

Today in 1631, Pierre Gassendi made the first observation of Mercury transiting the Sun. He observed the transit by projecting the Sun's ...

St. Louis Science Center: Astronomy Fact Of The Day: November 6, 2021

Tomorrow, Daylight Saving Time ends. Don't forget to set you clocks one hour back. This also means we are now 6 hours behind Universal T ...

St. Louis Science Center: Astronomy Fact Of The Day: November 5, 2021

Today in 1906, Marie Curie gave her inaugural lecture as the first woman lecturer at the Sorbonne. She explained the theory of ions in g ...

St. Louis Science Center: Astronomy Fact Of The Day: November 4, 2021

New moon occurs today starting lunation 1223. Additionally, Uranus reaches opposition tomorrow at midnight. If you have binoculars, you ...

St. Louis Science Center: Astronomy Fact Of The Day: November 2, 2021

Looking south tonight at 7 pm, you will find the planets Jupiter and Saturn. Those with a telescope, have a chance to see the Great Red ...

St. Louis Science Center: Astronomy Fact Of The Day: November 1, 2021

Today in 1884, Greenwich Mean Time (GMT) was adopted universally at a meeting of the International Meridian Conference in Washington, DC ...

St. Louis Science Center: Astronomy Fact Of The Day: October 31, 2021

Today in 1956, an airplane landed at the South Pole for the first time. When Navy Admiral George J. Dufek stepped off the Que Sera Sera, ...

St. Louis Science Center: Astronomy Fact Of The Day: October 30, 2021

The bright yellow star rising in the northeast around 9pm is called Capella. This is the brightest star in the constellation Auriga the ...

St. Louis Science Center: Astronomy Fact Of The Day: October 29, 2021

Today in 1991, the space probe Galileo became the first human object to fly past an asteroid. The encounter provided data and over 150 i ...

St. Louis Science Center: Astronomy Fact Of The Day: October 28, 2021

Last quarter moon occurs tonight. Before the Moon rises in the east at 11:30 pm, you will find another phased object in the west after s ...

St. Louis Science Center: Astronomy Fact Of The Day: October 27, 2021

Today in 1780, a total solar eclipse was visible in New England. During the American Revolutionary War, the first American solar eclipse ...

St. Louis Science Center: Astronomy Fact Of The Day: October 26, 2021

Tonight at 10 pm, you can find the star Aldebaran rising in the east. If you grab binoculars, this bright orangish red star appears near ...

St. Louis Science Center: Astronomy Fact Of The Day: October 25, 2021

Today in 1975, the Soviet unmanned probe Venera 10 soft-landed on Venus. Although it was designed to last only 30 minutes in the extreme ...

St. Louis Science Center: Astronomy Fact Of The Day: October 23, 2021

Today in 2007, Space Shuttle Discovery launched on the twenty-third Shuttle mission to the International Space Station and delivered the ...

St. Louis Science Center: Astronomy Fact Of The Day: October 22, 2021

Tonight at 8 pm, you can find the planets Jupiter and Saturn in the south. You can confirm you have these planets with the twinkle test. ...

St. Louis Science Center: Astronomy Fact Of The Day: October 21, 2021

Today, the annual Orionid Meteor Shower reaches it's peak. A meteor shower is a celestial event where meteors, or shooting stars, can be ...

St. Louis Science Center: Astronomy Fact Of The Day: October 20, 2021

October's full moon occurs today marking the 10th of 12 full moons in 2021. The Moon will be in Pisces tonight. Like the Sun and planets ...

St. Louis Science Center: Astronomy Fact Of The Day: October 19, 2021

Today in 2008, NASA's Interstellar Boundary Explorer (IBEX) launched to map the boundary of our solar system. IBEX produced the first al ...

St. Louis Science Center: Astronomy Fact Of The Day: October 18, 2021

Tonight the Big Dipper will be seen low in the northwest at 7:30 pm. For many of us, trees and buildings may obstruct our view of this a ...

St. Louis Science Center: Astronomy Fact Of The Day: October 17, 2021

Today in 1956, Dr. Mae Carol Jemison, the first African American woman to fly in space, was born. Jemison holds a degree in chemical eng ...

St. Louis Science Center: Astronomy Fact Of The Day: October 16, 2021

Tonight after sunset, you can find the planet Venus above the western horizon. It is currently found in the constellation Scorpius just ...

St. Louis Resident Stars in Carmilla, A Virtual Audio Drama

Joshua Razavi stars in Chicago's Lifeline Theatre’s Carmilla, running virtually beginning Oct. 30

St. Louis Science Center: Astronomy Fact Of The Day: October 15, 2021

Today in 1997, NASA's Cassini-Huygens mission began a seven-year journey to the ringed planet Saturn. For more than a decade, the Cassin ...

St. Louis Science Center: Astronomy Fact Of The Day: October 13, 2021

Today in 1959, NASA launched Explorer 7 to measure solar X-ray and Lyman-alpha flux, trapped energetic particles, and heavy primary cosm ...

St. Louis Science Center: Astronomy Fact Of The Day: October 12, 2021

First quarter moon occurs tonight at 10:25 pm. You will find the Moon due south by sunset in the constellation Sagittarius. This constel ...

St. Louis Science Center: Astronomy Fact Of The Day: October 10, 2021

Tonight at 8 pm the bright star directly overhead is called Vega. This bright A-class star is only 25 light years away in the constellat ...

St. Louis Science Center: Astronomy Fact Of The Day: October 11, 2021

Today in 1958, NASA launched their first spacecraft, Pioneer 1. Exactly one decade later on this date in 1968, NASA successfully launche ...

St. Louis Science Center: Astronomy Fact Of The Day: October 9, 2021

Today in 2009, NASA's Lunar CRater Observation and Sensing Satellite (LCROSS) was intentionally crashed into a permanently shadowed regi ...

St. Louis Science Center: Astronomy Fact Of The Day: October 8, 2021

Tonight is the peak of the Draconid Meteor Shower. The Draconids are a variable meteor shower cause by comet 21P/ Giacobini-Zinner. Most ...

St. Louis Science Center: Astronomy Fact Of The Day: October 7, 2021

Today in 1906, James E. Webb was born. As NASA Administrator from 1961 to 1968, Webb helped NASA achieve the goal of landing humans on t ...

St. Louis Science Center: Astronomy Fact Of The Day: October 6, 2021

The variable star Algol will be at minima tonight at 10:23 pm CDT. You can find Algol in the northeast by 7:30 pm. If you start watching ...

St. Louis Science Center: Astronomy Fact Of The Day: October 5, 2021

Today in 1984, Space Shuttle Challenger launched on the eight-day STS-41G mission. On this mission, Kathryn D. Sullivan became the first ...

St. Louis Science Center: Astronomy Fact Of The Day: October 4, 2021

The moon takes 29.5 days to complete its cycle of phases. This is called a synodic month of which there are 12.4 of each year. The synod ...

St. Louis Science Center: Astronomy Fact Of The Day: October 2, 2021

The brightest star we see at night is called Sirius. You can find this bright star rising in the southeast around 3 am this month.

St. Louis Science Center: Astronomy Fact Of The Day: October 1, 2021

Today in 1958, NACA (National Advisory Committee for Aeronautics) officially became NASA (National Aeronautics and Space Administration) ...