space

​what is gravity

gravity is a force that keeps any thing with mass on the planet, but that`s on earth because Earth has a high gravitational pull put on other planets like Mars you would need weights to keep you
on the planet. black holes have a giant gravitational pull and black holes destroy any thing that gets pulled into them.

the position motion and components.

 ​lets start with the Sun it is the biggest thing in the solar system every thing in the solar system rotates around .Mecury is the smallest planet in our solar system (not including Pluto) and its days are 58 days,15 hours and 30 mins two are day,
 Venus is the hottest planet in the solar system its normal surface temperature is  462c   and its days are  116 days and 8 hours too 1 earth day, now its are planet Earth its the only planet that can contain life and 1 earth day is 1 day, now the moon it is earth`s only moon and the moon has a really low gravitational pull if you weigh 100lbs on earth it would feel like you only weigh 16lbs on the moon. now on to Mars it is the second smallest planet in the solar system and its days are only 40 minutes longer than ours and Mars has a north and south pole. now Jupiter it is the biggest planet in the solar system and its days are 4,332.59 days to one earth day, now Saturn is the second largest planet and is most recognisable by its rings and its days are  , 10 hours and 39 minutes to one earth day. now on to Uranus its orbital period is 84 years, now last but not least Neptune one day one Neptune is only 16 Earth hours.