Hey we all are going to space, Still we need to remember those things which are not available in space which only available in earth only.  Please let me know your views on this topic.

This is a very interesting topic. Your topic is something I do think about from time to time. 

I think it is important to meditate on Earth and open eyes to see "oh my god, I am on Earth still, the trees flowing in the distance and the air" to help create memories, also doing video camera of yourself while meditating and not to help create stronger memories. 

I think it's also important to bring some plants into space if possible and grow them in space and have us exposed to life wherever possible. A satellite/communication link to Earth often, showing live views of nature/animals even a Garden you created being maintained and growing, might help strengthen that connection.