david dunlap observatory造句

例句与造句

1. The David Dunlap Observatory was opened in May 1935.
2. An alternate designation DDO 82 is named for the David Dunlap Observatory Catalogue.
3. Like the David Dunlap Observatory, York's location is subject to nearby light pollution.
4. The magnitude of Vega was measured again in 1981 at the David Dunlap Observatory and showed some slight variability.
5. Founded in 1978, the observatory houses the second largest telescope in Eastern Canada after David Dunlap Observatory near Toronto.
6. It's difficult to find david dunlap observatory in a sentence. 用david dunlap observatory造句挺难的
7. In 1959 and 1966 staff astronomer Sidney van den Bergh composed a database of dwarf galaxies known as the David Dunlap Observatory Catalogue.
8. In 1935 Helen moved to the University of Toronto, after her husband had received a job offer to work at the David Dunlap Observatory.
9. He was the head of the Department of Astronomy at the University of Toronto and director of the David Dunlap Observatory from 1946 until his death.
10. Originally located far in the country outside the city, the University's David Dunlap Observatory was being encroached on by new suburbs to its west.
11. For some time this instrument was joined by a smaller 18 m telescope originally located at the David Dunlap Observatory outside Toronto, operated by the University of Toronto.
12. The telescope moved once again in 1952 to the David Dunlap Observatory north of the city, and in 1984 it was donated to the Canada Science and Technology Museum.
13. The University of Toronto also operated their own 18 m telescope at the ARO for some time, after having moved it from the David Dunlap Observatory which proved to be too close to the growing Toronto area.
14. Some of the signs and paintings were recovered by the RASC, which had a permanent workspace located within the facility, and are now on display at the E . C . Carr Astronomical Observatory and at David Dunlap Observatory.
15. Louise Webster and Paul Murdin, at the Royal Greenwich Observatory, and Charles Thomas Bolton, working independently at the University of Toronto's David Dunlap Observatory, announced the discovery of a massive hidden companion to HDE 226868 in 1971.
16. Finally in 1935, after many years of labor and the financial backing of the family of mining executive David Alexander Dunlap, his dreams of a world-class observatory for Canada were achieved with the opening of the David Dunlap Observatory.
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