Astronomy
Solar System Pictures
[/caption] This is a a diagram of the Solar System. It was released shortly before the International Astronomical Union made…
Diagram of the Solar System
[/caption] This image contains all of the largest objects in the Solar System. You can print this diagram of the…
Ancient Galactic Magnetic Fields Stronger than Expected
[/caption] The origin of magnetic fields in our universe is a mystery. But magnetic fields are a key part of…
Polaris Brightness Variations are Revived, Astronomers Mystified
[/caption] Polaris is a well known Cepheid variable, but its periodic brightness variations have been steadily decreasing in amplitude for…
Model of the Solar System
Everyone seemed to enjoy the answer to my daughter's question, "what's the biggest star?", so I thought I'd give you…
What is the Solar System?
[/caption] The Solar System consists of the Sun, and everything bound to it by gravity. This includes the 8 planets…
Observing Alert: Dwarf Nova VY Aquari Re-Brightens
[/caption]According to AAVSO Special Notice #114 prepared by Matthew Templeton and released just a few minutes ago, dwarf nova VY…
The “Jewel Box” by Don Goldman
[/caption] Since it was first observed in a half inch diameter spy glass by Abbe Nicholas Louis de Lacaille during…
How do you Weigh a Supermassive Black Hole? Take its Temperature
[/caption] Working out the mass of huge black holes, like the ones hiding in the centre of galactic nuclei, is…
Super-Sensitive, Ultra-Small Device Heightens Infrared Capabilities
[/caption] A tiny new circuit could make a big difference in the way astronomers can see infrared light. This newly…