It is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang today and into the future.

• Big Bang Theory

• Cosmology

• Stellar formation

• Stellar explosion

It explains how the elements were initially formed the formation of different elements involved many nuclear reaction, including fusion, fission and radioactive decay.

• Big Bang Theory

• Cosmology

• Stellar formation

• Stellar explosion

It is a print in space and/or a moment in time where the universe was infinitely hot and dense.

• Inflation

• Nucleosynthesis

• Recombination

• Singularity

It is a process that creates new atomic nuclei from pre-existing nucleons, primarily protons and neutrons.

• Inflation

• Nucleosynthesis

• Recombination

• Singularity

It refers to the epoch at which charged electrons and protons first became bound to form electrically neutral hydrogen atoms.

• Inflation

• Nucleosynthesis

• Recombination

• Singularity

It is a displacement of spectral lines toward longer wavelengths in radiation from distant galaxies and celestial objects.

• Anhilation

• Cosmic Microwave Background

• Recombination

• Redshift

It is a smallest unit of matter that have all the properties of an element.

• Atom

• Electrons

• Matter

• Protons

What is the atomic symbol of Calcium?

• He

• C

• Ca

• Cm

It is an equal to the sum of the number of protons and neutrons.

• Atomic mass

• Atomic number

• Atomic bomb

• A. Isotopes

It indicates the number of protons in an atom.

• Atomic mass

• Atomic number

• Atomic bomb

• Protons and Electrons