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Posts by
Larry Sessions
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 11, 2023
Explore the Lagoon Nebula, M8, in Sagittarius
The Lagoon Nebula, or Messier 8, is a large emission nebula in the constellation Sagittarius that observers can explore with binoculars.
August 10, 2023
Summer Triangle star: Altair is variable and spins fast!
Altair is only 16.8 light-years from Earth, making it one of our closest stellar neighbors. It's variable in an usual way, and it spins very fast!
July 20, 2023
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 20, 2023
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 20, 2023
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 16, 2023
Top 10 space objects to see during the day
Love astronomy, but don't like to stay up late? Here are the top 10 space objects you can see - under the right conditions - during the day.
July 7, 2023
Massive ruby red Antares is the Scorpion’s Heart
Red Antares, Heart of the Scorpion in the constellation Scorpius, is a mighty star, a red supergiant in the last stages of its life span.
June 29, 2023
It’s summer. What’s noon to you? Midday? High noon?
What do you mean by noon? Do you define it by your clock or wristwatch? Or the gnawing in your stomach? Here's how astronomers think about noontime.
June 20, 2023
Spica, the bright beacon of Virgo, is 2 stars
Spica is a very close, scorching-hot pair of stars, whirling around one another. One of them may go supernova someday. It's the brightest star in Virgo.
May 11, 2023
