cosmic distance ladder
Gravitational Lens Confirms the Hubble Tension
Astronomers want new ways to measure distance in the Universe, working to calculate its rate of expansion. A new image…
1 month ago
Polaris, Earth’s North Star, Has A Surprisingly Spotted Surface
Humanity's been fortunate to have a star situated over Earth's north pole. The star, known as Polaris, or the North…
2 months ago
Webb Continues to Confirm That Universe is Behaving Strangely
Over a century ago, astronomers Edwin Hubble and Georges Lemaitre independently discovered that the Universe was expanding. Since then, scientists…
8 months ago
Colliding Neutron Stars Could Help Measure the Expansion of the Universe
A new study presents a novel and independent method for measuring cosmic expansion using kilonova
1 year ago
Another New Way to Measure Distance in the Universe: Baryon Acoustic Oscillations
A team of astronomers have developed a new technique that relies on Baryon Acoustic Oscillations to measure cosmic distances.
1 year ago
JWST is the Perfect Machine to Resolve the Hubble Tension
Over the last decade, various measurements have disagreed over the rate that the Universe is expanding. Astronomers use Cepheid variables…
1 year ago