![]() Real Racing 2 for Android Race in 15 beautiful locations, with 40 miles of highly detailed race tracks, speedways and city circuits including twilight and night races. Real Racing is an online free to play game, that raised a score of 4.23 / 5 from 271 votes. ![]() There is only one goal here: to cross the finish line first so your friend can watch you cheer.įeel the speed under your tires and the adrenaline in your veins as you race across the streets, never losing sight of your goal. Work your way from rookie to pro in a robust Career Mode, offering 10 hours of exhilarating gameplay. We have the hottest free to play racing games available. Just browse through our great collection of the best 2 player racing games and choose your favorite, as always online and free on Silvergames. With Nascar, offroad, circuits and more, we have a racing game you are going to love. Top Speed Racing 3D Get behind the wheel of your favorite car before tearing up the streets, where you can either free-roam or take on a variety of tasks and challenges. “They have to learn semi-major axis, orbital eccentricity, and all the orbital elements so they can plan their orbits, and it’s one thing to put it on a piece of paper, but when you have them put it into STK and they can visualize what's going on, it’s a big benefit.” “For a lot of our students, this is their first taste of anything related to space, so STK is really great and gives them a graphical presentation of what is going on,” says Brock. STK is applied throughout the competition, which generally runs parallel to the school year from October through April. It consists of three online qualifying rounds (with a practice round before each), an online semifinal round, and an in-person finals competition (see the image below for program structure and current competition dates). Teams are given six hours to complete each of the first three rounds and the semifinals, then eight hours for the finals. In every round, there is an academic portion in which teams must answer an open-book multiple-choice quiz for 20 points. The first round is based on orbit planning. Teams are presented with a scenario and challenged to figure out the best orbit to meet the requirements of the task. For example, there might be a volcano in the Pacific Ocean that needs observation, and students would be asked to determine the best orbit in which to put a satellite. Team leaders increase the challenge by placing restrictions on orbital inclination, apogee, and perigee. Apogee is the point of orbit when the satellite is furthest from Earth, while the point of orbit closest to Earth is called perigee. Once the best orbit has been selected and the mission has been established, the second round is based on satellite design. Students are given different sets of equipment, including sensors, recorders, transmitters, or fuel to put on board, and they must determine the best combination of equipment that will meet the requirements of the mission. STK is used in this round to perform access calculations. With its Access Tool, STK enables you to determine the times in which one object can “access,” or see, another object.įor the third round, students focus on launch operations. To help the selection along, program leaders present the teams with multiple launch vehicles to choose from and encourage them to select the most economical vehicle to lower the cost of the mission.Īfter the three rounds are completed, the scores of each qualification round are reviewed and the top 30% move on to the semifinal round.Īt this stage, the orbit, satellite, and mission have been established, but students need to determine the best launch vehicle to place into orbit.
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