Thursday, February 23, 2023

As Orion crests across the southern skies, his bright stars demonstrate considerably differences in color. Compare, for example, the star Betelgeuse on the upper left, appearing an orangish color, while on the lower right, Rigel shines a piercing blue. The colors...

Wednesday, February 22, 2023

George Washington’s birthday (not the holiday) welcomes an eye-catching arrangement in the western twilight. As twilight begins to dim near 6 o’clock, a slender, waxing Crescent Moon welcomes the company of Jupiter, just above it, while Venus gleams below...

Tuesday, February 21, 2023

Due south this evening at 8:30 PM EST is the brightest star in the sky, Sirius, the “nose” of Canis Major, the Great Dog. The path of all stars and planets creates an arc, with its highest point due south, placing Sirius in its best viewing position. The name Sirius...

Monday, February 20, 2023

The most distant object human eyes can see, the Andromeda galaxy, appears as a faint smudge of light, one half of the way above the west-northwest horizon, as twilight ends after 7 o’clock this evening. It appears between the stars of Andromeda, and her mother,...

Sunday, February 19, 2023

By 7:30 PM this evening, the “twin” stars of Gemini appear quite high in the east-southeast, two-thirds of the way up from the horizon, and ride very high across the southern skies. Pollux, a bit brighter and on the lower left, and Castor, on the upper...