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Becoming an Astronaut (pg. 2)

Astronauts - The Payload Commander

A Payload Commander is responsible for the coordination of any experiments that are carried out during a space mission. For example, over 80 experiments were performed during the 16-day, STS-107 Columbia mission. One study involved the growth of prostate cancer tissue, while another showed that carpenter ants don't seem to notice weightlessness. A Payload Commander is always a NASA astronaut.

Astronauts - The Payload Specialist

A Payload Specialist is someone other than a NASA astronaut, who is assigned to a space mission by either a corporation or another country to oversee and help with a certain mission experiment. Payload Specialists can come from universities, research centers, government agencies, businesses or other nations that use the space shuttle. Usually a Payload Specialist will work on one specific experiment, but if it looks like a crew has too much work to handle on their own, the Payload Specialist will often lend a hand.

Astronauts - The Mission Specialist

There are usually three Mission Specialists aboard a space shuttle. They must have knowledge of all the experiments taking place on board, unless a Payload Specialist is in charge of the experiment and will not require help with it. A Mission Specialist also must know about safety procedures, shuttle operations, crew activity planning and the usage of consumables (food) on board the shuttle. In order to become a Mission Specialist astronaut, you have to pass a NASA Class II space physical to make sure you are in top physical condition.

  • Click here to read more about the types of astronauts that NASA sends into space.
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Dear Dish-It In The Forums

blackveilbrides15
Always wears black so not much of a style 
reply about 4 hours
Kirsti
Kirsti posted in Style:
Your style is simply whatever you want to wear! Just wear whatever feels comfortable, or whatever you think looks good, and it is your style (: It doesn't matter if it's not entirely individual and unique, as long as it's what you feel happy wearing.
reply about 4 hours
Kirsti
Kirsti posted in Family Issues:
I love both my parents equally, but I prefer to spend time with my dad. My father works abroad so I see him a lot less than my mother, but it means that when I see him it feels more special :3 
reply about 4 hours
Kirsti
Kirsti posted in Family Issues:
To be honest, this is probably just something you have to bear. I know that sometimes relatives can be irritating, but they only visit often because they care about you and want to see you (: Unless there is a real reason you don't want them to visit - for example, if they are unkind to you - then you should just endure it.  Or you could mention it to your parents and see if they can sort it out? This is something lots of kids have to deal with, me included, and it's just part of life! You are lucky to have grandparents who care about you so much c:
reply about 5 hours
PittsburghPenguinsFanatic
Like 10-20 but they r mainly kids ones, cause i got them a few years ago.  Now i share regular ones with my older sister
reply 4 days