The Milky Way’s stars are gradually being ejected
Known as hypervelocity stars, we originally thought just one would be ejected every 100,000 years. The real number is much greater.Continue reading on Starts With A Bang! » Source link...
SCIENCE
Astronomers near a complete picture for how planets form
Newborn stars are surrounded only by a featureless disk. Debris disks persist for hundreds of millions of years. So when do planets form?Continue reading on Starts With A Bang! » Source link...
RIP Apollo 8 astronaut Bill Anders, who rediscovered Earth
In December of 1968, human beings made their first-ever journey to the Moon aboard Apollo 8. Their most important discovery? Planet Earth.Continue reading on Starts With A Bang! » Source link...
Starts With A Bang podcast #106 — the troublesome hunt for Planet Nine
Out beyond Neptune are some fascinating bodies left over from our Solar System’s formation. Could one of them truly be spectacular?Continue reading on Starts With A Bang! » Source link...
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...
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...
