S26E126: The hunt for ninth planet // Planetary formation // Atmosphere of an exoplanet

SpaceTime Series 26 Episode 126
*Plot thickens in hunt for ninth planet
A pair of theoretical physicists are reporting that the same observations inspiring the hunt for a ninth planet at the outer edge of the solar system might instead be evidence of a modified law of gravity originally developed to understand the rotation of galaxies.
*New clues on planetary formation
Astronomers have discovered the youngest hot Jupiter ever seen.
*New insights into the atmosphere and star of an exoplanet
Astronomers have failed to find any signs of an atmosphere around the Earth like exoplanet TRAPPIST-1b
*The Science Report
Koala populations decimated by bushfires in recent years.
Study shows 40% of amphibian species around the world are currently under threat.
Scientists have now discovered around 125 mammal species that glow under Ultra Violet light.
Skeptics guide to riding the Sasquatch express
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