Questions with the keyword 'universe'

• How much dark matter is there in the universe by Doctor strange to Ajay Comments: (No comments so far )
• how many planets in the whole universe are there by mak2016 and 2 others. to Reka, Pip, Kuntal, Kate, Ajay Comments: (so far, 3s comments )
• How many universes are in space. by 422radg37 and 4 others. to Ajay, Kate, Kuntal, Pip, Reka Comments: (So far, one comment )