Ask Ethan: Why do matter and antimatter annihilate?
From forming bound states to normal scattering, many possibilities abound for matter-antimatter interactions. So why do they annihilate?Continue reading on Starts With A Bang! » Source link...
SCIENCE
No, gain of function research did not cause COVID-19
SARS-CoV-2 first emerged in humans in 2019. Despite much noise generated by lab leak proponents, the evidence indicates a natural origin.Continue reading on Starts With A Bang! » Source link...
2024’s summer solstice is Earth’s earliest since 1796
On June 20, 2024, the summer solstice occurs at its earliest moment since 1796: when George Washington was President of the USA. Here’s…Continue reading on Starts With A Bang! » Source link...
No, new measurements can’t relax the Hubble tension
There are two different ways to measure the expansion rate of the Universe, and they don’t agree. And no, new measurements don’t help.Continue reading on Starts With A Bang! » Source link...
5 big lessons from JWST’s new record-setting galaxy
A new all-time record! JWST’s discovery of JADES-GS-z14–0 pushes the earliest galaxy ever seen to just 290 million years after the Big…Continue reading on Starts With A Bang! » Source link...
Ask Ethan: Are we expanding along with the Universe?
The mutual distance between well-separated galaxies increases with time as the Universe expands. What else expands, and what doesn’t?Continue reading on Starts With A Bang! » Source link...
The ultimate fate of every star that’s ever lived
In ~7 billion years, our Sun will run out of fuel and die. So will every star, eventually. Here are the different fates they’ll encounter.Continue reading on Starts With A Bang! » Source link...
Why reimagining the particle accelerator is so challenging
CERN’s Large Hadron Collider is the most powerful particle accelerator ever. To go even further, we’ll have to overcome something big.Continue reading on Starts With A Bang! » Source link...
Why physicists now question the fate of the Universe
For nearly 25 years, we thought we knew how the Universe would end. Now, new measurements point to a profoundly different conclusion.Continue reading on Starts With A Bang! » Source link...
Is fundamental science a victim of its own success?
Some think the reason fundamental scientific revolutions are so rare is because of groupthink. It’s not; it’s hard to mess with success.Continue reading on Starts With A Bang! » Source link...
