Spirit, Opportunity and Curiosity get all the news now, but it was NASA’s Viking Missions that gave us our first close up view of the surface of Mars. These twin missions, both made of orbiter and lander set the stage for the exploration of Mars, demonstrating that we could actually reach the surface of Mars, and study the soil up close. Today, let’s talk about the Viking Orbiters.
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Fraser Cain
Universe Today
Dr. Pamela Gay
CosmoQuest
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- Ally Pelphrey, Video Engineer
18 Seasons
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Ep. 256: Resolution
When it comes to telescopes, astronomers really just care about resolution: how much can you see? Your resolution defines how much science you can get done, and it depends on your gear, wavelength, and conditions. Putting a telescope in space really helps too.
Ep. 255: Observing Hydrogen
Hydrogen is the most common element in the Universe, formed at the beginning of everything in the Big Bang. It’s the raw material of stars, gathering together through mutual gravity into vast nebulae. Astronomers can learn so much looking for hydrogen in the Universe. Here’s why, and how they do it.
Ep 254: Reflection and Refraction
Light can do some pretty strange stuff, like pass through objects and bounce off them; it can be broken up and recombined. In fact, everything we “see” is actually the end result of reflection and refraction of light. Time to understand how it all works.
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