Supernova Data Increase Knowledge on Dark Energy

Some years ago, the explosion of Type 1 supernovas led astronomers and astrophysicists to inferring that dark energy existed. Since then, analyzing these massive celestial events has been the only way of predicting the properties and traits of the mysterious form of energy. Due to the fact th... [ read more >> ]

Supernovas vary slightely in the type of light they put out, which makes assessing their distance from Earth very difficult

Image comment: Supernovas vary slightely in the type of light they put out, which makes assessing their distance from Earth very difficult
Image credits: Wikimedia Commons

Supernovas vary slightely in the type of light they put out, which makes assessing their distance from Earth very difficult