Episode notes
A question from Ida, age 4. Miho Janvier answers. Find out more about the Solar Dynamics Observatory , the Solar and Heliospheric Observatory (SOHO) , Solar Orbiter , and Proba-3 . For more on Dr. Janiver's work, see episode 121 .
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Spacepod
Carrie Nugent · Tech & Science · English
Hear stories about the alien moons orbiting our Sun, of cold stars, and the future of space exploration. Every week, scientist Dr. Carrie Nugent chats about an amazing part of our universe with an expert guest. Spacepod is the podcast that gives you an inside look into space exploration. Learn more
More from Spacepod All episodes →
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E239 · 1 Oct 2026 · 10 min
239: What will happen when the sun explodes?
A question from Laura, age 12. Professor Catherine Neish answers. For more on Prof. Neish, listen to episode 192 . Also check out her podcast with John Moores, Popcorn Science .
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E238 · 1 Sep 2026 · 16 min
238: When will the universe stop expanding?
A question from Jacob, age 7. Dr. Andrés Plazas Malagón answers. For more on Dr. Malagón's work, see episode 208 or listen to his podcast, Visión Cósmica .
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E237 · 1 Aug 2026 · 14 min
237: Why does an asteroid hit the Earth? And why so big?
A question from Lyla, age 5. Dr. Federica Spoto answers. For more on Dr. Spoto's work, see episode 190 .
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E236 · 1 Jul 2026 · 16 min
236: Are there rainbows on other planets? (Part II)
We try, a second time, to answer a question from Maeve, who is almost 3 years old. Dr. Matthew Kenworthy answers. For more on rainbows on other planets, see episode 232 .
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E234 · 1 May 2026 · 10 min
234: How many stars are there in space?
A question from Kellan, age 6. Professor Kim McLeod answers. To learn more about Wellesley College's Whitin Observatory, including public visit nights, go here . For more on what you can do to reduce light pollution, see these resources from Dark Sky International.
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E232 · 1 Apr 2026 · 11 min
232: Are there rainbows on other planets?
A question from Maeve, who is almost 3 years old. Dr. Alejandro Soto answers. For more on Dr. Soto's work, see episodes 44 and 136 .
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E232 · 2 Mar 2026 · 6 min
232: How many potholes are on an asteroid?
A question from Issac, age 5. Dr. Nancy Chabot answers. For more on Dr. Chabot's work, see episodes 7 and 152 . For more on the Planetary Defense, see this NASA website . For more on the DART mission , see the mission website.
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E231 · 1 Feb 2026 · 10 min
231: How big is space?
A question from Issac, age 4. Dr. Jeff Rich answers. For more on Dr. Rich's work, see episodes 14 , 81 , 118 , or 159 , or visit the Carnegie Observatories website . Find the pocket solar system instructions here .
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E230 · 1 Jan 2026 · 5 min
230: What is the fastest planet?
A question from Renny, age 4. Dr. Jessie Christensen answers. For more on Dr. Christensen's work, see episodes 42 and 102 .
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