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This is part one of a two-part program on the Hubble Constant and the controversy about different values for this keystone unit of measurement. In...
View full detailsThis is part two of a two-part program on the Hubble Constant and the controversy about different values for this keystone unit of measurement. In...
View full detailsPlanetary nebulae are some of the most beautiful and intriguing deep sky objects in the Milky Way. They reveal the expanding, glowing shells of th...
View full detailsFrom its discovery in 1846 until Clyde Tombaugh's discovery of Pluto in 1930, Neptune was the farthest-known planet. Now with the controversial re...
View full detailsGravity is the weakest of the four fundamental forces, it causes causes mutual attraction between all things with mass or energy. It is approximat...
View full detailsThe European Space Agency’s Exobiology on Mars (ExoMars) program has included a series of missions designed to study the potential for...
View full detailsIn cosmology, the anthropic principle involves any structure of the universe, the values of the constants of nature, or the laws of nature that ha...
View full detailsHave you ever wondered how hard it can be to merge two black holes? Well it actually is a lot harder than you think. You would think that because t...
View full detailsWe hear the phrase "You can't prove that!" all the time. But is it a valid criticism? On this episode of How Do You Know Dr Daniel Barth will defi...
View full detailsFor *participants of the 2022 Mount Wilson Observatory Star Party and The Huntington Library, there is an Estate Group Tour option for a 90-minut...
View full detailsThis free document prepared by Dr. Daniel Barth provides guidance for safely observing a solar eclipse using binoculars. Emphasizing safety as a p...
View full detailsThis free document prepared by Dr. Daniel Barth introduces an Eclipse Flip Book activity, emphasizing the importance of safety when observing an ec...
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