Fill in each blank with a suitable preposition.
31. Most people have wondered if there is life beyond Earth ………………space.
32. A popular pastime while orbiting Earth is simply looking ………………the window.
33. Astronauts float ………………in space because there is no gravity ………………space.
34. Some meteorites are easy to overlook because they look ………………ordinary earth rocks.
35. ………………April 12, 1961, Yuri Gagarin became the first human to go ………………space.
36. Nick was crazy ………………the universe after his visit to the Space Museum ………………Sweden.
37. ………………31 May he carried ………………checks ………………the KiboJEM Robotic Manipulator System.
38. Virgin Galactic says hundreds ………………customers have signed ………………for a brief suborbital flight ………………space.
39. Most satellites observing the Earth fly ………………an altitude of 600 kilometers to 800 kilometers ………………ground.
40. Zero Gravity Corp, provides people ………………a once-in-a-lifetime experience ………………floating ………………microgravity ………………parabolic flights.
