August 4, 2021 Saturn is currently in the constellation Capricornus the Sea Goat. Capricornus is one of the zodiac constellations. It will take Saturn roughly 29.5 years to cycle through all the zodiac constellations. Jupiter, Saturn and the Constellation Capricornus seen in the southeast tonight at 10 pm. Image Credit: Stellarium, EG
Astronomy Fact of the Day: August 3, 2021
August 3, 2021 In 2004 on this date, the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) probe was launched, becoming the first spacecraft to orbit Mercury. Its primary goal was to study the geology, magnetic field, and chemical composition of the planet. Launch of the Messenger Mission on August 2, 2004; Artist Image of… Continue reading
Astronomy Fact of the Day: August 2, 2021
August 2, 2021 Saturn is at opposition today. This means the ringed planet will appear opposite the Sun in the sky. As a result, Saturn will appear its brightest for the year. Look for Saturn rising in the southeast after sunset. Image Credit: NASA/JPL-Caltech/Space Science Institute
Astronomy Fact of the Day: August 1, 2021
August 1, 2021 This day in 1980 marks the death of James S. McDonnell. An American engineer, he was the president of McDonnell Aircraft from 1939 to 1972. His innovative fighter designs, including the F-4 Phantom and F-15 Eagle, became the premier US fighters after 1960. McDonnell Aircraft, later McDonnell-Douglas, was also the prime contractor… Continue reading
Astronomy Fact of the Day: July 31, 2021
July 31, 2021 Looking to the southeast around 5 am you will see three stars in a row together. These stars form the belt of Orion the Hunter! Fans of Orion can rejoice, he is back in the sky. Image Credit: Stellarium
Night Sky Update: July 30 – August 7, 2021
This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, July 30, 2021. Information updated weekly or as needed. Times given as local St. Louis time, which is Central Daylight Time (CDT). For definitions of terminology used in the night sky update, click the highlighted text. If relying on times… Continue reading
Astronomy Fact of the Day: July 30, 2021
July 30, 2021 By 10:00pm, one of the gems of the Fall sky will be visible in the northeast. Messier 31, or the Andromeda Galaxy, will be high enough to see. Best viewed in the Fall, Messier 31 is the nearest major galaxy to our own Milky Way Galaxy. The “W” shape of Cassiopeia’s stars… Continue reading
Astronomy Fact of the Day: July 29, 2021
On this date in 1901, Florence Lowe “Pancho” Barnes was born. An American barnstormer, air racer and Hollywood stunt flier, she pioneered new air routes into Mexico. In the 1930s, she opened a desert flying dude ranch which later became a legendary watering hole for Edwards AFB test pilots.
Artifact of the Week: Megalodon Tooth
The scientific name “megalodon” means “big tooth,” which perfectly describes this extinct species of shark. Not only was megalodon the biggest shark in the world, but it was one of the largest fish to ever exist! Its massive teeth are almost three times larger than the teeth of a modern great white shark. Megalodons swam… Continue reading
Astronomy Fact of the Day: July 28, 2021
Looking south tonight at 9 pm, you will see an arrangement of stars that resembles a fish hook. This is the Zodiacal constellation Scorpius.