[Stellar Evolution] Stars that are more massive than our Sun…
[Stellar Evolution] Stars that are more massive than our Sun will undergo a different life cycle. In the following animation, click on the “Topics” menu and select “Massive Stars.” Watch the animation, and then complete the problem that follows. Click here to open the animation in a new window. Place the following events of a massive star’s life cycle in chronological order.
Read Details[Planetary Geology] When thinking about the cosmos, it is ea…
[Planetary Geology] When thinking about the cosmos, it is easy to be overwhelmed by its immense scale. Let’s start by putting everything into context according to scale. Order the following terms, starting with the largest and progressing to the smallest.
Read Details[Climate Change] Let’s look at the CO2 record from a bit fur…
[Climate Change] Let’s look at the CO2 record from a bit further back in time to provide more context. We can see that there are natural cycles in CO2 on a ~100,000 year cycle. These coincide with the glacial/interglacial cycle. On the image, select the parts of the historical record where you would expect glaciations to occur.
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