1.   Dutch astronomers detected these clouds of gas three decades ago, but had no way of determining how far away they were.

2.   Visiting astronomer Remo Tilanus, a Dutch astronomer assigned to the United Kingdom Infrared Telescope in Hawaii, perked up.

3.   Funeral services were held Tuesday for Dutch astronomer Peter van de Kamp, who pioneered in the search for planets in other solar systems.

4.   Funeral services were held Tuesday for Dutch astronomer Peter van de Kamp, a Swarthmore College professor who pioneered in the search for planets in other solar systems.