Question 64 – Astrophysics and cosmology - Questions

Which column shows the correct sequence of events in the evolution of the Universe between the Big Bang and the formation of stars?

Column A	Column B	Column C	Column D
Hadrons form	Universe starts to expand	Universe starts to expand	Quarks and leptons form
$↓\downarrow$	$↓\downarrow$	$↓\downarrow$	$↓\downarrow$
Quarks and leptons form	Hadrons form	Quarks and leptons form	Hadrons form
$↓\downarrow$	$↓\downarrow$	$↓\downarrow$	$↓\downarrow$
Nuclei form	Quarks and leptons form	Hadrons form	Atoms form
$↓\downarrow$	$↓\downarrow$	$↓\downarrow$	$↓\downarrow$
Atoms form	Nuclei form	Nuclei form	Nuclei form
	$↓\downarrow$	$↓\downarrow$
	Atoms form	Atoms form

Astrophysics and cosmology