If you go in the northern hemisphere or the southern hemisphere close to the equator with no light pollution you can see the andromeda galaxy with just the naked eye
Will pass by our earth in April 13 2029. it will be 20000 miles away from earths surface. 99942 Apophis is a 375 meter long asteroid and asteroids this big being this close to earths surface happens once in every 5000-7500 years. If you want to see this event you can use Google Calendar, ticktick, todoists. And it will remind you when that time comes
Is the December 12-13 meteor shower. (Geminids) It is best to watch at 10 pm to 2 am and can be seen from almost every region besides Argentina and chile (they can see it but it wont nearly be as much) there is a estimated 120-150 meteors per hour. The best places to watch the meteor shower is North America, Europe, mexico and countries that are near Mexico. If you want to see this space event you can download Google calander and it will remind you when that time comes