Spacepod

241 Episodes

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238: When will the universe stop expanding?

2026-09-0116:11

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.

237: Why does an asteroid hit the Earth? And why so big?

2026-08-0113:37

A question from Lyla, age 5. Dr. Federica Spoto answers. For more on Dr. Spoto's work, see episode 190.

236: Are there rainbows on other planets? (Part II)

2026-07-0115:48

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.

235: Why is the sun hot?

2026-06-0109:29

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.

234: How many stars are there in space?

2026-05-0109:31

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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