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Posts by
Shireen Gonzaga
Delta Cephei helps measure cosmic distances
Delta Cephei is an inconspicuous variable star in the northern constellation Cepheus the King. This star helps establish the cosmic distance scale.
September 24, 2021
Alpha Cephei, a fast-spinning star
Alpha Cephei, in the constellation Cepheus the King, is a bit of an enigma. It’s spinning so fast that it appears like a slightly flattened beach ball.
September 14, 2021
Why 61 Cygni 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 4, 2021
See Mira the Wonderful at its brightest
Catch elusive wonderful Mira, a famous variable star in the constellation Cetus, at its maximum brightness in August 2021. Now you see it ... now you don't!
August 3, 2021
Exquisite Albireo, a much-loved double star
Albireo, in the constellation Cygnus the Swan, is a favorite among stargazers. Through a small telescope, it appears as a stunning gold star with a dimmer blue companion.
July 31, 2021
The Scorpion’s Crown and its stellar neighborhood
Bright red Antares, and the 3 stars of the Scorpion's Crown, belong to a young group of stars called the Scorpius-Centaurus Association.
July 9, 2021
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.
June 22, 2021
Human World
Poison mushrooms: How to tell
A popular adage among mushroom foragers is, “you can eat any mushroom ... once.” Some wild mushrooms are poisonous and will make you sick. A few can kill.
June 17, 2021
What is Earth’s Ring of Fire?
The Ring of Fire is a region of very active seismic activity - with most of Earth's volcanoes and earthquakes - caused by interacting tectonic plates.
June 8, 2021
What is the age of Earth?
Our planet does not give up its age easily. Scientists studied the oldest rocks from our planet and solar system to figure out Earth's age.
June 3, 2021
