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The National

This flagship 22-minute newscast debuted in 1956, just four years after CBC Television itself. In 1982, it was the first newscast to jump from the 11 p.m. to a 10 p.m. prime-time slot. Followed by a new show called The Journal, The National soon became "must-hour" viewing for over 1.5 million Canadians. But a 1993 gamble proved disastrous when Prime Time News replaced the show in a 9 p.m. timeslot. It was bumped back to 10 p.m. a year later and renamed The National in 1995. Its anchors number among the country's top journalists, including Larry Henderson, Earl Cameron, Stanley Burke, Warren Davis, Lloyd Robertson, Peter Kent, Knowlton Nash and Peter Mansbridge.
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914 television clips

Canadians help discover new planets

Broadcast Date: Nov. 13, 2008

In 2008, Canadian scientists are among an international team of astronomers who discover three new planets outside our solar system. In this television report from CBC News we find out where the planets are, and what their discovery means to two Canadian astronomers.

Canadians help discover new planets

• The International Astronomy Union has defined a planet as a celestial body that is in orbit around the sun, has sufficient mass to assume a nearly round shape and has "cleared the neighbourhood" around its orbit (it is the dominant gravitational force in its area, with no comparably sized bodies nearby other than its own satellites.) In our solar system, eight planets and five dwarf planets are known. But this controversial definition, made at a meeting in Prague in 2006, made Pluto a dwarf planet (a new classification) since it failed to meet the third condition. 

• The IAU also sets conventions regarding the names of stars and planets. Stars, for instance, do not have proper names except for those named by ancient cultures. Most of these names are Latin or Greek in origin with Arabic translations. For example, one of the most familiar constellations, Orion, is named after a mythological Greek hunter. 

• René Doyon, a guest in this clip, was director of the Mont Mégantic Observatory, located 250 kilometres east of Montreal. The observatory was founded in 1978 as a joint effort by the University of Montreal, Laval and McGill universities.

Canadians help discover new planets

Medium: Television

Program: The National

Broadcast Date: Nov. 13, 2008

Guest(s): René Doyon, Andrew Fazekas, Christian Marois


Anchor: Peter Mansbridge
Reporter: Nancy Wood

Duration: 2:15

Last updated:
July 21, 2009


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