Mister Tombaugh got a job at Lowell Observatory after he sent drawings of his observations of Jupiter and Mars.

VOA: special.2010.07.11

Earlier,astronomer George Ellery Hale had offered Hubble a position at the Mount Wilson Observatory in southern California.

VOA: special.2009.04.29

About two thousand people visited the Public Observatory Project in the first two weeks after it opened.

VOA: special.2009.10.27

He had the world famous telescope maker Alvan Clark and Sons make a telescope for his observatory.

VOA: special.2010.07.11

That year, an observatory official,V.M.Slipher, offered a young man a job working with the new telescope.

VOA: special.2010.07.11

The people who work at the Naval Observatory must also find time for another responsibility.

VOA: special.2009.09.21

Edward Cook works with the Lamont-Doherty Earth Observatory at Columbia University in New York.

VOA: special.2010.05.25

Some visitors are surprised that the Public Observatory Project operates only during daytime hours.

VOA: special.2009.10.27

Evidence that the universe is expanding was first discovered at Lowell Observatory by V.M.Slipher.

VOA: special.2010.07.11

He quickly learned how best to use the new photographic telescope at the observatory.

VOA: special.2010.07.11

Then in nineteen twenty-five, Guy Lowell,a relative of Percival, gained control of the observatory.

VOA: special.2010.07.11

John Harrison's clocks can be seen today at the Old Royal Observatory in Greenwich,England.

VOA: special.2010.07.14

An observatory opened recently at the Smithsonian Institution's National Air and Space Museum.

VOA: special.2009.10.27

All of that you can do during the day." Mister DeVorkin says the observatory is meant to appeal to visitors who have not been interested in astronomy before.

VOA: special.2009.10.27

It is on loan from the Smithsonian's Astrophysical Observatory for two years.

VOA: special.2009.10.27

Hubble watched the night sky with instruments at the university's Yerkes Observatory.

VOA: special.2009.04.29

There are several main buildings on the grounds on the Naval Observatory.

VOA: special.2009.09.21

Lowell Observatory now has four telescopes and is continuing to expand.

VOA: special.2010.07.11

Close to the British Embassy is the United States Naval Observatory.

VOA: special.2009.09.21

They also performed five missions to repair and improve the observatory.

VOA: special.2010.04.28

And,we will tell about a new public observatory in Washington,DC.

VOA: special.2009.10.27

The new observatory is the home of a forty-centimeter telescope.

VOA: special.2009.10.27

The Alaska Volcano Observatory records five thousand a year.

VOA: special.2009.03.02

The report was from the European Information Technology Observatory.

VOA: special.2009.11.02

In eighteen ninety-four, he built an observatory near Flagstaff,Arizona.

VOA: special.2010.07.11

Firefighters are also working to protect the century-old Mount Wilson Observatory, where astronomer Edwin Hubble made important discoveries in the 1920s.

VOA: standard.2009.09.01

The space station complex will serve as observatory, laboratory and workshop for astronauts and cosmonauts who live and work there.

VOA: standard.2009.11.30

The journal cited the astronauts' service call to the Hubble Space Telescope, which gave the orbiting observatory a new lease on life.

VOA: standard.2009.12.24