"by comparison the sun is 4 600 million years old" in German By comparison, the sun is 4,600 million years old. Zum Vergleich: die Sonne ist 4.600 Millionen Jahre alt. Detailed translations for "by comparison the sun is 4 600 million years old" By comparison, the sun is 4,600 million years old. By comparison, the sun is 4,600 million years old. Zum Vergleich: die Sonne ist 4.600 Millionen Jahre alt.