Răspuns :
Răspuns:
1.the study of the universe is called cosmology
2.voids are big,empty spaces in the universe
3.true
4.it takes light 8 minutes to travel from sun to earth
5.light years are a form of space measurement
6.around 5% of space is taken up by planets, stars and galaxies
Răspuns:
1) The study of the universe is called cosmology.
2) Voids are empty spaces in the universe.
3) The statement "The universe has no centre." is true.
4) It takes 8 minutes for light to travel from the Sun to the Earth.
5) Light-years are a form of space measurement. (daca vrei sa impresionezi poti sa mai scrii si ca: A light year is the distance light travels in a year.)
6) Stars, planets and galaxies only take up about 5% of the total space in the universe.