Match each exploration mission. 1. explored the challenger deep mariner 5 2. took pictures and video of mars surface vostok 3. first man-made object sent into space apollo 11 4. first manned orbit around the earth trieste 5. first men to walk on the moon sojourner 6. explored the dark side of venus sputnik 1

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction