It is believed that the universe first formed approximately 13.7 billion years ago.
no because scientists think that earth is the only planet in the universe that supports life :3
Albert Einstein changed the meaning of the words distance, time, space.
Bacteria were the first cells.
Not all scientists believe this. The topic of Earth being the only planet in the known universe to support life has been and still is a heated debate amongst many scientists.
Scientists don't "think" it was gravity, scientists know that it was gravity.
The big bang or a wormhole
Scientists think that the universe was created by the big bang, and that energy came out of energy pockets and turned into mass ( E=MC2 ). The universe then started expanding, and heavier elements in the periodic table started to form (at first there was only Helium and Hydrogen).
It would be 76476474585475478780 years ago, which is before the time scientists think the Universe started.
Yes
our universe is currently 13.7 billion years old and about 155 million years after the big bang , first star is born and by this way stelliferous era was started .
Scientists believe that the world was created through a process called the Big Bang, which occurred approximately 13.8 billion years ago. This theory suggests that the universe came into existence from a hot, dense state and has been expanding and evolving ever since.
They estimate the age of the Universe in more than 12 billion years.
they beleive it to be from 45 million years old
Flat model
no because scientists think that earth is the only planet in the universe that supports life :3
scientists think that they do. there is one in every galaxy. also in ours
Many scientists consider the possibility life exists elsewhere in our universe (and more particularly even within our own galaxy) quite likely. A few do not think it is likely.