yes about 2,000,000,000 the thing that made thes planets was the "Big Bang". that's why we are alive today.
No
Other planets appear shiny from Earth for the same reason the moon does, we see the other planets' reflected sunlight.
Space was born with planets we don't live in like Mars, Sun, And Jupiter. It need other planets to help keep Space alive forever. It can't just have Earth.
Yes, you could explode in space by the pressure of the other planets.
Yes or why would we have space flights and other planets
to search for life out there in space on other planets
Voyager 1 and 2 visited the outer planets and went on into interstellar space.
Yes, that is why all space craft are constructed in clean rooms prior to being sent to other planets
The mariner is a space probe that was sent to space to expolre mostly Venus but also explored other planets.
You are weihgtless in space because there less gravitiy up there
no because there is no oxogen in space
space suits