What class is the sting ray in?

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Where are the strongest jet streams located?

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse