The four paths forward for US scientists in 2026
US science is worth fighting for, but so are the science projects and scientists denied opportunities. Here are 4 paths all worth…Continue reading on Starts With A Bang! » Source link...
SCIENCE
NASA watched this supernova blast expand for 25 years
Back in 1604, Johannes Kepler discovered the Milky Way’s last naked-eye supernova. Here’s how NASA’s Chandra sees it over the 21st century.Continue reading on Starts With A Bang! » Source link...
Starts With A Bang podcast #125 — Large-scale structure
The seeds of cosmic structure that were planted back during the Big Bang grew into the cosmic web we see today. What is it telling us?Continue reading on Starts With A Bang! » Source link...
Ask Ethan: What does “gravitationally bound” mean in the expanding Universe?
When objects are gravitationally bound, they cannot escape from one another’s influence. How does that work within the expanding Universe?Continue reading on Starts With A Bang! » Source link...
Zeno’s Paradox resolved by physics, not by math alone
Travel half the distance to your destination, and there’s always another half to go. So how do you eventually arrive? That’s Zeno’s…Continue reading on Starts With A Bang! » Source link...
Cosmic dust: “too much, too soon” no longer!
Even the youngest galaxies are often dust-rich, even with very low levels of heavy elements. Nearby dwarf galaxy Sextans A explains why.Continue reading on Starts With A Bang! » Source link...
Astronomers are on “Cloud 9” with a new, starless gas cloud
Astronomers have found starless gas clouds before, but Cloud 9 might be the most pristine one of all, with big lessons for cosmic history.Continue reading on Starts With A Bang! » Source link...
What does oxygen in JWST’s most distant galaxies really mean?
In a galaxy less than 300 million years after the Big Bang, oxygen’s presence abounds. That’s expected; its absence would truly be…Continue reading on Starts With A Bang! » Source link...
Ask Ethan: Why is there no such thing as antigravity?
In general relativity, matter and energy curve spacetime, which we experience as gravity. Why can’t there be an “antigravity” force?Continue reading on Starts With A Bang! » Source link...
10 quantum myths that must die in the new year
The very word “quantum” makes people’s imaginations run wild. But chances are you’ve fallen for at least one of these myths.Continue reading on Starts With A Bang! » Source link...
