Ask A Spaceman Archives - Page 20 of 51

Jul 18th: What’s the Deal with Time Crystals?

What’s the deal with time crystals? Do they break physics as we know it?

Do black holes exist, or are they merely theoretical constructs? What’s the evidence?

Does everyone have the same clock? Can we skip forward into the future?

What’s the matter with dark matter? check out the answer here.

I’ve heard there’s an “axis of evil” in space – what’s up with that? Is there anything special about our position within the universe?

How do we measure the expansion history of the universe?

What happens during a galaxy merger event? Is dark matter involved?

What does the Higgs Boson mean? What role does it play in the forces of nature?

What has New Horizons taught us about Pluto so far?

How (and when) did the rings of Saturn form? How are we to understand the complex systems of rings and gaps?