Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

the researchers gathered data that helps estimate the rate at which objects in the universe are separating, thereby offering insight into the expansion of the Universe itself. Data derived from ...

The expansion of the Universe is not constant. Recent measurements have shown that the rate of the Universe's expansion is increasing. The evidence for this area of physics comes from observations ...

Supernovae, Big Bang One method looks at distant exploding stars or supernovae, to measure the distances to galaxies, and gives an expansion rate for the universe throughout the past few billion ...

Scientists use a number called the Hubble constant to describe the universe’s expansion rate. One method measures the light from stars and supernovae nearby. These are called standard candles ...

That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding. He announced his finding in 1929. The ratio of distance to redshift was 170 ...

The rate at which the universe is expanding, known as the Hubble constant, is one of the fundamental parameters for understanding the evolution and ultimate fate of the cosmos. However ...

One method looks at distant exploding stars or supernovae, to measure the distances to galaxies, and gives an expansion rate for the universe throughout the past few billion years. The other ...