Space Missions Astronomy Exploration of Space Space Missions Questions Why are the images sent from Mars in black and white rather than color? How long does it take to receive pictures from Mars? When the Phoenix takes pictures on the surface, how long does it take for the pictures to get to us on Earth? Have the voyager 1 and 2 passed the closest star from earth yet? Have Pioneer 10 and 11 passed the sun yet? Why are there no pictures of the lunar lander/rover from earth or a space telescope? Why does the earth look upside down from spaceships? What were the Apollo Missions? How long would it take a probe to travel to pluto? What is the distance between the International Space Station and earth? What do Gs stand for in space flight? How many galaxies are astronomers studying? How long does it take astronauts to reach the moon? Why didn't the Apollo astronauts return with pictures of stars and galaxies taken from the Moon's surface? Are stars visible from the surface of the moon? Is the International Space Station a international military facility orbiting the earth? How is data sent from Mars rovers to Earth? Stephen Hawking thought it was a ________ to identify Earth's location on Voyager I. What is in the blank? How many known planets outside our solar system have an atmosphere necessary to sustain life? What does "t-minus" mean when counting down to rocket liftoff? Exploration of Space View all chapters Space Travel History Rockets, Satellites, and Spaceships Future of Space Travel Space Missions Prev