Which astronomer discovered the phases of venus?

Galileo 
his observations helped support the Copernican view that the planets orbited the Sun, and not the Earth as previously believed.

Very minute and important evidence needs to be collected in order together detail and figure out what had happened

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.