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Provocations #152: Carl-Goran Heden
Title
Provocations #152: Carl-Goran Heden
Date Created
1987-04-11
Author/Creator
Walter Orr Roberts
Provocations #293: Solar activity approaches a maximum
Title
Provocations #293: Solar activity approaches a maximum
Date Created
1989-12-23
Author/Creator
Walter Orr Roberts
Provocations #113: Depleting the ozone layer
Title
Provocations #113: Depleting the ozone layer
Date Created
1986-07-12
Author/Creator
Walter Orr Roberts
Provocations #4: The "nuclear winter" -- does it matter?
Title
Provocations #4: The "nuclear winter" -- does it matter?
Date Created
1984-06-02
Author/Creator
Walter Orr Roberts
Provocations #52: Weapons in space
Title
Provocations #52: Weapons in space
Date Created
1985-05-11
Author/Creator
Walter Orr Roberts
Provocations #222: The Perseid meteor shower seen from Aspen
Title
Provocations #222: The Perseid meteor shower seen from Aspen
Date Created
1988-08-13
Author/Creator
Walter Orr Roberts
Provocations #283: Threats to the health of the biosphere
Title
Provocations #283: Threats to the health of the biosphere
Date Created
1989-10-15
Author/Creator
Walter Orr Roberts
Provocations #25: Space measurements and the Greenhouse Effect
Title
Provocations #25: Space measurements and the Greenhouse Effect
Date Created
1984-10-28
Author/Creator
Walter Orr Roberts
Provocations #107: Gravitational lenses
Title
Provocations #107: Gravitational lenses
Date Created
1986-05-31
Author/Creator
Walter Orr Roberts
Provocations #58: Nahcolite and acid rain
Title
Provocations #58: Nahcolite and acid rain
Date Created
1985-06-22
Author/Creator
Walter Orr Roberts
Provocations #191: Pliny's account of the fireball of 76 BC
Title
Provocations #191: Pliny's account of the fireball of 76 BC
Date Created
1988-01-09
Author/Creator
Walter Orr Roberts
Provocations #34: Chinook--the snow eating wind
Title
Provocations #34: Chinook--the snow eating wind
Date Created
1984-12-20
Author/Creator
Walter Orr Roberts
Provocations #121: Science and national competetiveness
Title
Provocations #121: Science and national competetiveness
Date Created
1986-09-06
Author/Creator
Walter Orr Roberts
Provocations #223: Robert FitzRoy, weather forecaster, tragic figure
Title
Provocations #223: Robert FitzRoy, weather forecaster, tragic figure
Date Created
1988-08-21
Author/Creator
Walter Orr Roberts
Provocations #234: Shootout at the K/T boundary
Title
Provocations #234: Shootout at the K/T boundary
Date Created
1988-11-05
Author/Creator
Walter Orr Roberts
Provocations #90: Space disasters--space triumphs
Title
Provocations #90: Space disasters--space triumphs
Date Created
1986-02-02
Author/Creator
Walter Orr Roberts
Provocations #65: Star wars credibility declines
Title
Provocations #65: Star wars credibility declines
Date Created
1985-08-12
Author/Creator
Walter Orr Roberts
Provocations #218: Otto Struve: scientist and humanist
Title
Provocations #218: Otto Struve: scientist and humanist
Date Created
1988-07-17
Author/Creator
Walter Orr Roberts
Provocations #117: Pedro Nunez and the observation of twilight
Title
Provocations #117: Pedro Nunez and the observation of twilight
Date Created
1986-08-09
Author/Creator
Walter Orr Roberts
Provocations #185: Command? Check VOLCANOES.ETC
Title
Provocations #185: Command? Check VOLCANOES.ETC
Date Created
1987-11-29
Author/Creator
Walter Orr Roberts

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