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31 All the planets orbit the Sun in roughly the same plane, round its equator.

32 The planet is probably in orbit around a small star.

33 The orbit of the artificial satellite has an apogee of 200 miles from the earth.

34 Once in space, the spacecraft will go into orbit around the Earth.

35 Went into orbit at the box office, too.

36 Another burn at this point can accelerate the craft, placing it on the higher circular orbit.

37 Then the penalty paid in orbit matching with Mars and Phobos would be much smaller.

38 For Deimos, in its higher orbit[sentencedict.com], only 560 meters per second suffices to escape from the Mars system.

39 The attraction between the conjectured planet and Uranus was to account for the latter's departure from its initially predicted orbit.

40 That has been helpful for scientists seeking to grow better crystals in orbit.

41 In 1873, however, one was found on a trajectory that brought it in to cross the orbit of Mars.

42 At 20 percent efficiency, solar photovoltaic cells in geosynchronous orbit can deliver 270 watts of electric power per square meter continuously.

43 Weather satellite images of the area taken from synchronous orbit show an immense circular area of dense clouds above the impact site.

44 Further, no instruments capable of detecting ice deposits were placed in polar orbit about the Moon during the Apollo era.

45 For a further discussion of what is meant by weightlessness in orbit, see chapter 4.

46 The seven astronauts are prepared for two weeks in orbit.

47 Satellites in low-earth orbit glimpse only fragments of the planet.

48 From the observed orbit of the visible star, one can determine the lowest possible mass of the unseen object.

49 Inclining the orbit 9. 9 degrees enabled the craft to drift about ten degrees above and below the equator.

50 The gravitational fields of these irregular chunks are so lumpy that any orbit is certain to evolve rapidly.

51 An artificial satellite is in the Keplerian orbit of co-rotation above the Earth's equator.

52 Radial burns can also be used to circularize an elliptical orbit.

53 The three Skylab crews spent a combined time of over 3000 hours conducting scientific experiments in Earth orbit.

54 The sub-lunar region was the inner region,[www.Sentencedict.com] extending from the central earth to just inside the moon's orbit.

55 Without them some data gathered in orbit will have nowhere to go.

56 The loss of orbital energy by the satellite causes it to evolve slowly inward into a closer, shorter-period orbit.

57 Subsequent timing observations have shown the pulsar to be in a 5.74-day circular orbit with a low-mass companion.

58 Another insight has arisen out of studies of the logistics of deep-space missions that must return to orbit about Earth.

59 Orange flight led us in a wide orbit two miles away, still low level.

60 Therefore, the forward movement at the top of the orbit is greater than the reverse movement at the bottom.