because machines can run for a longer period of time and can sustain the forces of space better than humans because we need suits and special types of equipment in the meanwhile machines are in the right form to stand up to spaces harsh,neverending atmoshere.
Mars is the red planet. No robots have been seen there. Humans have sent robots there, however, to measure water levels, scan for life, and take pictures.
that will take a long time because earth is made out of soil :-)
Yes, they all ready have (Humans are apes!).
Humans Planet Earth.
http://wiki.answers.com/FAQ/3969
Washing machines vary, but on the regular size washers it is usually about ten minutes. The large washing machines take longer.
You can't. It's a gas planet
Based on the fact that Planet A has a greater mean distance from the Sun than Planet B, you can correctly infer that Planet A likely has a longer orbital period than Planet B. This is because planets that are farther from the Sun generally take longer to complete one orbit.
about never
asdfghjkl;;lkjhgfdsaasdfghkjkl
Uranus See related questions
The process of Meosis I i.e. a mitotic division in meosis which do not take place in bacteria is longer and in that mitotic division prophase is the longest part and is even longer then bacterial prophase