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Episodes - Spacepod episodes
- 239: What will happen when the sun explodes?239: What will happen when the sun explodes?Spacepod
SOHO image of the sun (source).
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.
11 min - 238: When will the universe stop expanding?238: When will the universe stop expanding?
Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI), and the Westerlund 2 Science Team. (Link)
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.
17 min - 237: Why does an asteroid hit the Earth? And why so big?237: Why does an asteroid hit the Earth? And why so big?Spacepod
By Alex Alishevskikh - 2013 Chelyabinsk Meteor Trail, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=24726667
A question from Lyla, age 5. Dr. Federica Spoto answers. For more on Dr. Spoto’s work, see episode 190.
14 min - 236: Are there rainbows on other planets? (Part II)236: Are there rainbows on other planets? (Part II)Spacepod
A halo, a rainbow-like pattern, around the moon near Kitt Observatory. Source: NOIRLab/AURA/NSF.
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.
0 min - 235: Why is the sun hot?235: Why is the sun hot?Spacepod
Image of the sun on from NASA’s Solar Dynamics Observatory (link to source).
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.
10 min - 234: How many stars are there in space?234: How many stars are there in space?Spacepod
The night sky from La Silla Observatory. (Credit: ESA, source)
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.
10 min - 232: Are there rainbows on other planets?232: Are there rainbows on other planets?Spacepod
A double rainbow on planet Earth. Credit: Eric Rolph at English Wikipedia. Source.
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.
0 min - 232: How many potholes are on an asteroid?232: How many potholes are on an asteroid?Spacepod
Artist’s illustration of the DART spacecraft (source)
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.
6 min - 231: How big is space?231: How big is space?Spacepod
The Bullet cluster, as imaged by JWST and Chandra. Image credit: NASA, ESA, CSA, STScI, CXC. Source.
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.
Copies of the pocket solar system instructions are also available here in English and Spanish.
10 min - 230: What is the fastest planet?230: What is the fastest planet?Spacepod
An artist’s impression of a small planet moving in front of it’s star. Credit: ESA. Source.
A question from Renny, age 4. Dr. Jessie Christensen answers. For more on Dr. Christensen's work, see episodes 42 and 102.
6 min