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This week’s new questions

Larger planets have more distant horizons, but lower mountains due to higher gravity, so will you see further on bigger or smaller planets? And other than humans, animals just eat what they find, as they find it - no cooking, no washing, Why aren’t they vomiting all the time?

3 April 2024

Blue and dark space landscape with planets and starry sky and mountains. Huge planet on the horizon volumetric lighting 3d rendered baackground.; Shutterstock ID 2208373835; purchase_order: -; job: -; client: -; other: -

Shutterstock/amretsunique

Large planets have more distant horizons than small ones, but lower mountains due to higher gravity. On which would you see further?

Hillary Shaw,

Newport, Shropshire, UK

Fox with fresh fish standing on a stone in a lake. Amazing capture of this predator. Nature and wildlife is so rewarding and people still have a lot to learn from all of this.; Shutterstock ID 1041384616; purchase_order: -; job: -; client: -; other: -

Jan Stria/Shutterstock

Other than humans, animals just eat what they find, as they find it – no cooking, no washing, Why aren’t they vomiting all the time?

Robert Watson,

Jesmond, Australia

To answer this question – or ask a new one – email lastword@newscientist.com.

Questions should be scientific enquiries about everyday phenomena, and both questions and answers should be concise. We reserve the right to edit items for clarity and style. Please include a postal address,…

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