The largest body in the asteroid belt is Ceres. Like Pluto, Ceres is now called a dwarf planet. It contains about 54% of the mass in the asteroid belt.
32 years ago Space Shuttle astronauts aboard the STS-51-L mission perished as a critical failure of two O-ring seals lead to ascent failure. Each year NASA holds a day of remembrance for Apollo 1, STS-51-L, and STS-107.
51 years ago today Apollo 1 astronauts perished during a pad test of their spacecraft. The members of Apollo 1 where, Edward White, Roger Chaffee and Virgil I. “Gus” Grissom
The 8th planet from the Sun is Neptune. Like Uranus, Neptune is an ice giant. It has a deep blue color for the same reason our sky appears blue. Molecules in its atmosphere scatter blue light from the Sun.
Today NASA will launch the GOLD mission (Global-Scale Observations of the Limb and Disk) which will study Earth’s upper atmosphere where terrestrial weather meets space weather.
Tonight the Moon will exhibit the first quarter phase. The next full moon will be Wednesday, January 31.
This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Tuesday, January 23. 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
Tonight the Moon will be exhibiting a waxing gibbous phase with about 90% of the lunar disk illuminated. You can find the Moon in the east at sunset.
Christian Doppler was born on this date in 1803. This physicist described the Doppler shift that occurs with sound and with light from stars.
Looking to the southeast around 10 pm tonight you will see the constellation Orion the Hunter. Orion will be visible earlier in the evening, as we get closer to the winter season.