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61. These modular construction kits now include solar cells, rechargeable batteries etc.

62. The lunar surface also contains the light isotope helium-3, which is implanted in the surface by the solar wind.

63. But the eight solar panels were not working to full capacity.

64. Also, the monsoon overcast tended to cut down the amount of solar energy available.

65. Back in Paris, I found other solar sail fans and promoting the concept became my hobby.

66. It projects an image of the Sun that fills a wall, revealing fine details on the boiling solar surface.

67. In the absence of sunlight, solar heating of the surface comes to a halt.

68. Consequently the dates of total solar eclipses form a rather complex sequence.

69. Furthermore, Conservation moves are very effective in this sector and solar energy is very suitable for water heating needs.

70. Solar and lunar eclipses, however, occurred far too rarely to provide any meaningful aid to navigation.

71. He wondered again about its black color; that was ideal, of course, for absorbing solar energy.

72. You go crazy with the frustration and throw a bad punch and take his counter in your mouth or solar plexus.

73. Alternatively[sentencedict.com], arrays of solar cells may be made on the Moon out of lunar materials and only the power exported.

74. This also shows that the ejections are not necessarily triggered by solar flares, a view that has recently been gaining support.

75. A solar collector area of around 4m 2 to 5m 2 is usually considered the optimum.

76. There arc four seasons, or rather four solar points of the year, the solstices and equinoxes.

77. Wind costs 10.9 cents, geothermal 11.3 cents and solar at 15.1 cents, was more than twice as expensive as nuclear.

78. For solar flares, a system of early warning satellites around the Sun could detect the first sign of trouble.

79. All these provide indirect means of converting solar energy to forms of energy which are useful to us.

80. The overseas growth has powered the solar industry to a 15 percent annual growth rate for more than a decade.

81. It shows the moon's state every day of the year, as well as solar and lunar eclipses.

81. Sentencedict.com try its best to gather and build good sentences.

82. These solar gases contain a large amount of helium, the second most abundant element in the Sun.

83. In 1960 Calvin became director of the Laboratory of Chemical Biodynamics which fostered interdisciplinary study ranging from solar energy to brain chemistry.

84. Solar Wings of Wiltshire were given the award for their plane the Quasar.

85. Capital cost is nearly ￡7 for every watt of electrical energy to be produced by solar radiation.

86. The first option is to extract water from subsurface permafrost and use that water directly in a nuclear or solar steam rocket.

87. The second project focuses on renewable energy research, and covers such topics as solar, biogas, mini-hydro and geothermal energy.

88. The disparity between solar noon and mean noon widens and narrows as the seasons change, on a sliding scale.

89. The most obvious source of the necessary electrical energy would be solar panels set out on the lunar surface.

90. The neutron observations may help cast new light on solar flares and solar activity.