How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is what a recent study accepted for publication in The Astronomical Journal ...

The southern autumn night sky is often referred to as the “wet quarter” because that’s where we find such constellations as Aquarius the Water-bearer; Pisces the Fish; and, most notorious of all, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

For the past 10 years, under the guiding hand of Editor-in-Chief Professor John Percy (University of Toronto), the Journal of the American Association of Variable Star Observers (JAAVSO) has ...

Proceedings of the American Philosophical Society, Vol. 86, No. 3, Papers on Astronomy, Botany, Geology, Paleontology, and Zoology (Jul. 8, 1943), pp. 329-338 (10 pages) The variable stars occupy an ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...

Astronomers using the Swiss 1.2-metre Euler telescope at ESO’s La Silla Observatory in Chile have found a new type of variable star. The discovery was based on the detection of very tiny changes in ...

(Phys.org)—Located about 510 light years from the Earth, Mu Centauri is a very interesting and mysterious cataclysmic variable star. It is a dwarf nova, a close binary star system in which a white ...

Yardsticks are very useful around the house when you need a measurement. (I have also used them to fish out toys the cat knocked under a low piece of furniture.) They are standards by which we can ...

I timed this column to coincide with a feature article in this issue about the American Association of Variable Star Observers (AAVSO), written by the organization’s director, Stella Kafka. If you ...

A previously unknown kind of variable star is on brilliant display 7,000 light-years from Earth in a new photo taken by a telescope in the Southern Hemisphere. For years scientists have known that the ...