By: Andy Tomaswick
Measuring the distance to far away objects in space can be tricky. We don’t even know the precise distance to even our closest neighbors in the Universe – the Small and Large Magellanic Clouds. But, we’re starting to get to the tools to measure it. One type of tool is a Cepheid Variable – a … Continue reading "Astronomers Only Knew of a Single Binary Cepheid System. Now They Just Found Nine More"