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...solid particles, around 10-7 or 10-6 m across, found mixed with interstellar gas. Dust grains are predominantly composed of carbonaceous material and silicates, but may be surrounded by an icy mantle. Dust is very effective at absorbing and scattering ultraviolet and visible light. * electromagnetic radiation A form of radiation in which the transfer of energy from place...

...solid-state hard drive, a technology that came down in price significantly at the time of writing. ‘Just because’ Web services Web services, like Mr. doob, are sometimes developed simply because their developers can, or want to, explore a new technology, or see what is possible. Sometimes, simply playing with something leads to radically new ideas. As mentioned at the...

...solid line instead of a rectangle or bar, but you will not see this type of bar chart very often. Activity 8 You should now follow our calculation of a bar chart from the information in Table 3. Table 3 Average distance travelled per person per year in Paris MODE OF TRANSPORT KM walk 244 local bus 297 rail 336 cycle 44 Decide on a clear title. The title of Table 3 is...

...solid line) that is being sampled less than twice each cycle. The samples are represented by blobs. However, another sine wave with a lower frequency can be drawn through these samples. It is shown as a dashed sine wave. This lower-frequency wave is called an alias of the original sine wave. The way to avoid aliases is to sample more frequently, as in Figure 16(b). Here...