A lot happened in the first few hundred thousand years of the Universe's history. Match the descriptithe Universe to the events.A) Universe grewin size by manyTime since Big BangFormation of large-scale structures(galaxies and galaxy clusters)orders ofFormation of stars and galaxiesmagnitude veryquickly.Dark agesRecombinationBig BangnucleosynthesisB) Almost all thehydrogen andhelium nuclei inParticle eraInflationthe Universeformed at thistime.Cosmicsingularityc) Hydrogennuclei combine10-43 secondwith freeelectrons tomake hydrogenatoms and make10-33 second0.001 secondthe Universe3 minutestransparent.300,000 years300,000–150 mil yearsParticles (likeprotons and300-500 mil years10 billionyears Almost all theВhydrogen andhelium nuclei inthe Universeformed at thistime.c) Hydrogennuclei combinewith freeelectrons tomake hydrogenatoms and makethe Universetransparent.D) Particles (likeprotons andneutrons) form.E) The first starsform.

The universe was born with a big bang, and it was very hot and dense at the time of formation. After…

A lot happened in the first few hundred thousand years of the Universe's history. Match the descrip the Universe to the events. A) Universe grew in size by many orders of magnitude very quickly. Time since Big Bang Formation of large-scale structures · (galaxies and galaxy clusters) Formation of stars and galaxies• Dark ages Recombination- Big Bang nucleosynthesis B) Almost all the hydrogen and helium nuclei in the Universe formed at this Particle era Inflation time. Cosmic singularity Hydrogen nuclei combine 10-43 second with free electrons to make hydrogen atoms and make the Universe 10-33 second 0.001 second 3 minutes transparent. 300,000 years 300,000-150 mil years Particles (like protons and 300-500 mil years 10 billion years

A lot happened in the first few hundred thousand years of the Universe's history. Match the descrip the Universe to the events. A) Universe grew in size by many orders of magnitude very quickly. Time since Big Bang Formation of large-scale structures · (galaxies and galaxy clusters) Formation of stars and galaxies• Dark ages Recombination- Big Bang nucleosynthesis B) Almost all the hydrogen and helium nuclei in the Universe formed at this Particle era Inflation time. Cosmic singularity Hydrogen nuclei combine 10-43 second with free electrons to make hydrogen atoms and make the Universe 10-33 second 0.001 second 3 minutes transparent. 300,000 years 300,000-150 mil years Particles (like protons and 300-500 mil years 10 billion years