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! »
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! »
Travel half the distance to your destination, and there's always another half to go. So how do you eventually arrive? That's Zeno'sContinue reading on Starts With A Bang! »
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! »
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! »
In a galaxy less than 300 million years after the Big Bang, oxygen's presence abounds. That's expected; its absence would truly beContinue reading on Starts With A Bang! »