Astrophysicist and ‘StarTalk’ host Neil deGrasse Tyson uses the power of Twitter to answer some common questions about our universe. What is a quark? Is there a limit to the expansion of the universe?
[Wired]
Astrophysicist and ‘StarTalk’ host Neil deGrasse Tyson uses the power of Twitter to answer some common questions about our universe. What is a quark? Is there a limit to the expansion of the universe?
[Wired]