Welcome to your Satellites (STUDY BY TOPICS JUNIOR CLASS) NAME EMAIL PHONE NUMBER 1. If a satellite's radial velocity is zero at all times, its orbit must beCircular.Elliptical.Parabolic.Geosynchronous.2. According to Kepler's laws, the paths of planets about the sun are Circles.Straight lines.Ellipses.Parabolas.3. The fastest moving planet in a solar system isAny planet, for they all move at the same speedThe planet farthest from the sun.The planet nearest the sun.The smallest planet.The most massive planet.4. A satellite near the Earth makes a full circle in about an hour and a half. How long would a satellite located as far away as the moon take to orbit the Earth?Less than an hour and a halfThe same hour and a halfMore information about the satellite is needed.None of theseAbout 28 days5. An airplane that flies at 100 km/h in a 100 km/h hurricane crosswind has a ground speed of100 km/h.141 km/h.200 km/h0 km/h.6. How high up do the communication satellites that Sky use orbit at?22300 miles223000 miles230 miles2230 miles7. Sky broadcasts using RF (Radio Frequencies)?FalseTrue8. An Earth satellite is in an elliptical orbit. The satellite travels fastest when it isNearest the Earth.None of the aboveFarthest from the Earth.It travels at constant speed everywhere in orbit.9. Roughly how many SD services can you have on a single transponder? 15201210. Which type of satellite is used by the militaryCommunicationReconnaissanceWeatherObservation11. Our moon travels the fastest as it orbits the Earth when it is Performing an eclipse.Rotating.All of the above choices are true.Closest.Revolving.12. A satellite describes an elliptical orbit about a planet. The satellite travels much faster when it is directly over aGreat plain or plateau.Large ocean.None of the above choices affects its speed very much.High mountain range.Large island.13. Moving a transponder from their between uplink antennas is called an IOT?TrueFalse14. Which satellites to Sky uplink their services to?Astra 2FAll of the aboveAstra 2ENone of the above15. Which planet has one moonEarthVenusMarsMecury16. The Osumi satellites was launched by which country JapanFranceU.S.AAustralia17. A lunar month is about 28 days. If the moon were closer to the Earth than it is now, the lunar month would be More than 28 days.None of the aboveUnchanged at 28 daysLess than 28 days.18. An Earth satellite is simply a projectileFloating motionless in space near the Earth.Approaching the Earth from outer spaceNone of the aboveFreely falling around the Earth.19. A lunar month is about 28 days. If the moon were farther from the Earth than it is now, the lunar month would be More than 28 days.Less than 28 days.About 28 days.Difficult to predict without much more information.20. The radial velocity of an Earth satellite is its velocityAttributed to satellites moving in any direction.Perpendicular to the surface of the Earth.None of theseParallel to the surface of the Earth.21 out of 20Time is Up!
