51.   Dust storms raged during the first year of the Viking visit, leaving the Martian atmosphere choked with dust particles.

52.   Instruments aboard the craft will sample the gases and dust particles in the comet tail.

53.   Law said the Government was also looking into installing water sprinklers on tall buildings and air purifiers at busy road junctions to reduce dust particles in the atmosphere.

54.   Law also said Prime Minister Datuk Seri Dr Mahathir Mohamad had suggested that fountains be built at disused mining pools to reduce the dust particles and lower the temperature.

55.   Law today submitted to the Cabinet a report on the two recent tests using water sprinklers to clear dust particles in the atmosphere and reduce temperature.

56.   No restrictions on visibility due to haze are expected today however lingering dust particles may cause the sky to appear murky at times.

57.   Prospero noted that such African dust particles contain large amounts of iron, as a coating, providing its characteristic red-brown color.

58.   Usually when star or sun light is dimmed by small dust particles, such as at sunset, the light appears to be red.

59.   They include collecting vital information on the contamination of space equipment by dust particles and testing new laser equipment that could be used in future shuttle launches.