Space probe and telescope: what they have in common

1. Step 1. Space probe — has part — Ion thruster. Ion thrusters (Dawn).
2. Step 2. Ion thruster — has part — Solar panel. Power supply.
3. Step 3. Solar panel — is part of — Space telescope. Solar panels.
4. Step 4. Space telescope — is a kind of — Telescope. A space telescope is a telescope above the atmosphere, so air does not blur the view.

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