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 U.S. space agency said the probability of Asteroid 2024 YR4 hitting the Earth in 2032 has grown to 3.1%, or a 1-in-32 chance. Earlier in January, NASA had put the chance of the asteroid impacting ...