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121. Solar changes were the main cause from 1750 to 1850, but the greenhouse effect has been dominant in recent decades.

122. But some, including Eros, wander out of the asteroid belt and into the inner solar system during each orbit.

123. A solar panel on the roof even helped generate 12-volt power.

124. But when you have a solar eclipse in your sign at Christmas, things are going a bit too far.

125. Powered by solar panels and car batteries, the music machines repeatedly play a 15-minute recording made of the Farallones murre colony.

126. The expedition will make use of renewable energy, such as solar power, and will remove all its rubbish.

127. Cheap solar energy conversion has been a dream of some scientists since the first oil crisis back in the late 1970s.

128. Chupp adds that the existence of strong neutron fluxes may also require re-evaluation of some previously observed solar events.

129. The consultants reckon that pumping water from depths of 20 metres would cost less than 50 cents per cubic metre with solar power.

130. Much of the expansion in solar energy has been funded with loans from international lending institutions.

131. I think the most exciting idea is to launch an Earth-Moon solar sail race.

132. The batteries for the torches were recharged from the wind generator and the solar panels, as was the radio battery.

133. McQuater, an attorney for Solar Turbines, has been on the commission since December 1994.

134. The two sources of power that first come to mind are solar and nuclear.

135. The ionization is produced by solar uv radiation and by energetic ions and electrons from the magnetosphere.

136. The building uses solar panels for collecting the sun's heat.

137. Solar water heating Harnessing the natural radiant energy of the sun seems an obvious way to cut down on ever-increasing fuel bills.

138. Crop yields would fall as a result of shorter growing periods[sentencedict.com], and reduced solar radiation due to heavier cloud cover.

139. I glimpsed Mathilda's white face then ran into the gallery, pushing open the door to the solar.

140. Note that the solar cell has an efficiency of only about 10%.

141. Unshielded,(www.Sentencedict.com) an astronaut could be exposed to hundreds of rads during a solar flare.

142. As noted earlier, water is the most useful shielding material against cosmic rays and solar protons.

143. If the arrivals of comets in the inner Solar System were totally haphazard we would have little reason to believe such ideas.

144. Would not these storms coat solar collectors and solar-cell panels with a thick layer of dust, shutting them down?

145. Once you have installed solar heating you will receive regular follow-up visits from our experts.

146. But the idea of full-blown solar power stations is unrealistic in the foreseeable future.

147. In furtherance of that, may I urge him to bend his considerable energies towards the development of solar and tidal power?

148. He went further and tied the distances between the sites in with the known distances between planets in the solar system.

149. The concept is essentially one of replacing expensive solar collectors and solar cells with tree leaves.

150. But since then our calendar year has been the same as the solar year.