Topic: Pamela Gay
Ancient Crater Found Hiding in Australia

Ancient Crater Found Hiding in Australia

by | Mar 26, 2025 |

I want to bring you a story that looks to rewrite a bit of our world's history. Researchers studying the geology of an Australian feature called the North Pole Dome, despite being located in Western Australia, found evidence that the feature is associated with a 3.5 billion year old impact. The object that stuck was more than 100 kilometers across and hit at more than 36,000 km/hr. This massive impact turned the local minerals into what are called shatter cones - a kind of fractured rock only found where impacts have occurred. This impact is more than a billion years older than the next...

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Closer Look: The Requirements for Life

Closer Look: The Requirements for Life

by | Dec 20, 2023 | ,

Hydrothermal-vent chimney. In the center of the photo, you can see the vent fluid which appears like dark smoke due to the high levels of minerals and sulfides contained in the fluid. Look closely, and you will also see the chimney is crawling with Chorocaris shrimp...

Talking to Whales

Talking to Whales

by | Dec 20, 2023 |

Credit: Jodi Frediani; NOAA/National Marine Fisheries Research Permit 19703 The kinds of life many of us hope to find within our solar system likely won’t be all that intellectual. Those possible microbes on Mars might be able to respond to food or pain, but that’s...

One Theory Puts Us Somewhere Special

One Theory Puts Us Somewhere Special

by | Dec 20, 2023 |

The image shows the distribution of matter in space (blue; the yellow dots represent individual galaxies). The Milky Way (green) lies in an area with little matter. The galaxies in the bubble move in the direction of the higher matter densities (red arrows). The...

Finding the Source of Low-Hydrogen Supernovae

Finding the Source of Low-Hydrogen Supernovae

by | Dec 20, 2023 |

Visualization of a binary star experiencing mass transfer. Credit: Ylva Götberg One factor upping the difficulty of understanding our universe is… the complexity of our universe. It sometimes feels like every time we think we’re getting a handle on how things work,...

Small star hosts (smaller) huge planet

Small star hosts (smaller) huge planet

by | Dec 13, 2023 |

Artistic rendering of the possible view from LHS 3154b towards its low mass host star. Given its large mass, LHS 3154b probably has a Neptune-like composition. Credit: Penn State Solar systems keep finding new ways to surprise us and to convince us that we don’t...

Six planets in coordinated orbits

Six planets in coordinated orbits

by | Dec 13, 2023 |

https://youtu.be/KfZCGBhwpes In my personal opinion, one of the mathematically coolest things in our solar system is the orbits of Jupiter's three inner Galilean moons. It just happens, that these worlds orbit to a beat, with innermost Io circling four times for every...