Hubble constant

How Loop Quantum Gravity Could Match Anomalies in the CMB with Large Structures in the Modern Universe

A strange celestial tension could be caused by a cosmic tango between events at very small and very large scales.

2 years ago

Evidence is Building that the Standard Model of the Expansion of the Universe Needs some new Ideas

Astronomers have measured the Hubble constant using astrophysical masers, and the result makes our understanding of cosmic expansion even worse.

2 years ago

A New Test Confirms Dark Energy and the Expansion of the Universe

Our measurements of dark energy give contradictory results. A new study confirms dark energy, but suggests it is more strange…

2 years ago

There’s a new method to measure the expansion rate of the Universe, but it doesn’t resolve the Crisis in Cosmology

In a recent post I wrote about a study that argued dark energy isn't needed to explain the redshifts of…

3 years ago

Quasars with a Double-Image Gravitational Lens Could Help Finally Figure out how Fast the Universe is Expanding

How fast is the Universe expanding? That's a question that astronomers haven't been able to answer accurately. They have a…

4 years ago

Gravitational waves were only recently observed, and now astronomers are already thinking of ways to use them: like accurately measuring the expansion rate of the Universe

Neutron stars scream in waves of spacetime when they die, and astronomers have outlined a plan to use their gravitational¬†…

4 years ago

How Fast is the Universe Expanding? Hubble and Gaia Team Up to Conduct the Most Accurate Measurements to Date

A new study used data from both Hubble and Gaia in order to obtain the most precise measurements of cosmic…

4 years ago

Precise New Measurements From Hubble Confirm the Accelerating Expansion of the Universe. Still no Idea Why it’s Happening

A new survey performed by the SHoES team using Hubble has confirmed that the Universe is in an accelerated rate…

5 years ago

At the Largest Scales, Our Milky Way Galaxy is in the Middle of Nowhere

A presentation at the June 6th AAS meeting confirms that our galaxy is inside an enormous cosmic void, the largest…

5 years ago

What are Cepheid Variables?

Discovered in the late 18th century, Cepheid Variable stars have become an important tool for measuring the size of the…

6 years ago