Tag: Cosmic microwave background

I love it when a seemingly simple question leads to profound insight. For example, why is the sky dark at night? At first glance, it may seem like a basic question with an obvious...

A recent analysis of the largest map of the universe has confirmed Einstein's theory of general relativity once again. The study looked at nearly 6 million galaxies and quasars over 11 billion years and...

A recent study of the cosmic expansion rate using the James Webb Space Telescope has reignited the debate over the Hubble tension in cosmology. The Hubble tension refers to the discrepancy between the measured...

The Big Bang theory is not as simple as it sounds. Scientists now believe it was a period of time rather than a specific moment. This theory has been supported by the discovery of...

The birth of the first stars in the universe marked a significant turning point in cosmic history. Approximately 200 to 400 million years after the big bang, these massive and brilliantly bright stars emitted...