Asteroids
Your favorites: Dinosaurs, a big rock, and…climate change?
When you hear the word “extinction,” chances are you probably think of the extinction of the dinosaurs and a big rock. But did you know that there were other factors at play that lead to that extinction including volcanos and sea-level rise?
Read More36-Spaceship Earth: Overseeing space…& Earth
When Christa Peters-Lidard cold-called the head of NASA’s hydrology lab as an undergrad, she wasn’t thinking she’d eventually land that very position. Now as the Acting Director for Sciences and Exploration at NASA’s Goddard Space Flight Center, Christa oversees several critical programs – either orbiting, like the James Webb Telescope, or currently in development – by ensuring scientists have the resources they need for a successful mission.
Read More28-Fire: Does a planet need life for fire to burn?
Think about what types of things burn: wood, grasses, fossil fuels… mostly things that were formed by life. Fire also requires oxygen, which is largely produced by life. Did Earth have fire before life evolved? Could any other planets have fire? If there were an exoplanet with fires burning, would we have any way to detect that?
Read More17-Ice: Stolen moon ice
When you think of ice, you might imagine glaciers, the North Pole, a clink in your water glass. But it turns out that our closest neighbor in space isn’t just a dusty ball—the moon has ice tucked away in deep craters at each of its poles. On top of that, scientists think the moon stole its ice: from comets, asteroids, maybe even from the Earth.
Read More10-Extinctions: Showdown of the giant space rocks
Dani DellaGiustina is one of the youngest leaders of a NASA mission, and she was in charge of image processing for OSIRIS-REx before she even got her PhD. OSIRIS-REx is a spacecraft sent to study asteroid Bennu and scheduled to return a sample to Earth in 2023.
Read More7-Extinctions: Dinosaurs, a Big Rock, and…Climate Change?
When you hear the word “extinction,” chances are you probably think of the extinction of the dinosaurs and a big rock. But did you know that there were other factors at play that lead to that extinction including volcanos and sea-level rise?
Read More6.5-Extinctions: Dinosaurs, volcanoes, the space station, oh my!
Join us for our next six-part miniseries on Extinctions as we learn about the demise of the dinosaurs, what makes a comet “extinct,” the Cambrian and Triassic periods, volcanoes, and the aforementioned (planned) fiery end of the International Space Station!
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