xkcd #2828: Exoplanet Observation ( imgs.xkcd.com )
Alt text:
NASA prefers to say that their rovers are ‘looking for signs of past life on Mars’ and not ‘ghost hunting.’
![](https://kbin.pithyphrase.net/media/cache/resolve/entry_thumb/8e/56/8e56854b4c0153e42ffa42b3dfaf83bea73850d2a7b9ee8217a5fb0250fc4ad9.png)
Alt text:
NASA prefers to say that their rovers are ‘looking for signs of past life on Mars’ and not ‘ghost hunting.’