science unit exam
What is the Azimuth?
The angle between the most northerly point of the horizon and the point directly below the celestial body; also the horizontal angle or direction of a compass bearing
what is the Altitude?
The height of a celestial body above the Horizon (ranging from zero at sea level to 90° straight up)
What is the Zenith?
The highest point in the sky directly overhead
What propels an Ion Drive?
engines that use xenon gas instead of chemical fuels
What propels solr sails?
Solar sales use the sun's light the sun admits, electromagnetic energy in the form of futons. The solar sales being tested are made of carbon fiber.