Albert Einstein anticipated gravitational waves in 1916, but several decades were needed before researchers managed to track them down for the first time. They are strong anomalies in the flow of space-time,... Read more »
Georges Lemaître was an astronomer, a professor of physics and also a priest, well known for his part in formulating the big bang theory as we know it today. Google Doodle celebrated... Read more »
We know that the universe keeps expanding, but it wasn’t that easy to measure the rate of expansion – meaning the calculations could be off track. And they were, according to NASA... Read more »
The universe is always expanding and astronomers have to try for years to estimate the Hubble constant. This is a unit of measurement that presents the rate at which the universe is... Read more »