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Posts by
Larry Sessions
Blue-white Rigel is Orion’s brightest star
Blue-white Rigel shines as the brightest star in the constellation Orion the Hunter. It's a hot massive star, that someday will explode as a supernova.
January 16, 2026
What was the Christmas star? Science and mystery
What was the Christmas star? Some scientific explanations attempt to explain the Star of Bethlehem, including a planetary conjunction, comet or supernova.
December 21, 2025
Orange Aldebaran is Taurus the Bull’s fiery eye
Aldebaran is an enormous star that marks one of the eyes of Taurus the Bull. If placed where our sun is, its surface would pass the orbit of Mercury.
December 3, 2025
Fomalhaut is the Loneliest Star … but not in 2025
Fomalhaut is known as the 'lonely one' or 'solitary one' because it shines brightly in an otherwise dim patch of sky. But in 2025, Saturn is nearby.
September 15, 2025
61 Cygni – a double star – is nicknamed Flying Star
Compared to other stars, 61 Cygni moves quite rapidly against the background of more distant stars, revealing its proximity to Earth.
August 7, 2025
Top 10 cool things about stars that you probably didn’t know
Here's a collection of 10 cool things about stars that you probably didn't know. Big stars, green stars, black holes, stars by the millions, and more!
July 30, 2025
Summer Triangle star: Altair is variable and spins fast!
Altair, in the constellation Aquila the Eagle, is one of the closest stars to our solar system. It's variable in an unusual way, and it spins very fast!
July 23, 2025
Summer Triangle star Deneb is distant and luminous
When you gaze at the bright star Deneb, you’re gazing across thousands of light-years of space at one of the bright stars of the huge Summer Triangle asterism.
July 16, 2025
Summer Triangle star: Vega is bright and blue-white
There's a noticeable star pattern called the Summer Triangle in the east on July and August evenings. Its brightest star is blue-white Vega.
July 8, 2025
Massive ruby red Antares is the Scorpion’s Heart
Red Antares, Heart of the Scorpion in the constellation Scorpius, is a massive red supergiant star in the last stages of its lifespan.
June 10, 2025
