When did Catalyst Season 1 Episode 7 air?
Catalyst Season 1 Episode 7 aired on January 1, 2015.


Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.
In a family reunion like no other, astronomers reunite our sun with her long lost sibling. Dr Graham Phillips meets the new relative and explores its similarities with our sun. Could it even have planets, like our solar system, and be another home for life?
Direct answers for episode-level questions and details.
Catalyst Season 1 Episode 7 aired on January 1, 2015.
This episode runs for approximately 30 minutes.
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