Topic: Earth Science
Ordering Enough Water for Early Planet Earth

Ordering Enough Water for Early Planet Earth

by | Feb 11, 2025 |

artist's depiction of planets colliding. While major asteroid and comet impacts have often been devastating for life on Earth, life on Earth wouldn’t be here without impacts that occurred early in our world’s history.  As the story goes, Due to our planet’s position in the solar system and early hotness, it just didn’t start out with the oceans life enjoys today. Exactly when and what delivered all the H2O we enjoy today is an area of ongoing research. One leading theory looked to the early collision between the proto-Earth and a Mars-sized planet called Thea as one possible...

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Caught on Camera and Apprehended

Caught on Camera and Apprehended

by | Feb 21, 2024 | ,

Mohutsiwa Gabadirwe (center of photo) and Peter Jenniskens (left, kneeling) at the site of the second find of a piece of asteroid 2018 LA recovered in the Central Kalahari Game Reserve in central Botswana. Credit: SETI Institute Our Solar System contains a whole lot...

Closer Look: Earth’s Magnetic Field

Closer Look: Earth’s Magnetic Field

by | Dec 27, 2023 |

Image by PDPics from Pixabay One of the great myths we learn from TV and books is that you can take a compass and follow it to the North Pole.Folks, I am here to tell you that if you take a compass and follow its pointy little needle, it will take you to Northern...

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...

Closer Look: It’s Volcano Time

Closer Look: It’s Volcano Time

by | Nov 29, 2023 |

Credit: Berserkur via Wikimedia Commons One of the daily activities that is helping me stay sane is volcano watching. I love volcanoes. I especially enjoy when they erupt in places that have webcams but don’t affect the lives of people. Unfortunately, those are both...

The State of Climate Change

The State of Climate Change

by | Aug 5, 2023 | ,

Extreme Weather. Credit: NOAA As human beings, we have infinite capacity for empathy. We also have the capacity to be blind to what is going on in the world around us. This dichotomy is why some people see the Sarah MacLachlan ASPCA ads and donate, others click to...