4.Mercury Before the Sun
Location: outer space; estimated cost: N/A
Mercury is the planet nearest to the sun and the smallest in the solar system. This terrestrial planet has little geological activity, a relatively harsh atmosphere, and a cratered surface. The size and strength of the sun can be seen by observing Mercury in relation to it.
In front of the sun is Mercury, @Pinner62764345/Pinterest.
On this rocky planet, the daytime temperature can reach 800 degrees Fahrenheit, while the nighttime temperature drops to -290 degrees. Venus has a more effective atmosphere for retaining heat than Mercury, despite Mercury being the planet nearest to the Sun.
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