Solar System
Solar System Guide
The Universe is a very big place, and we occupy a very small corner of it. Known as the Solar…
What is the Earth’s Average Temperature?
Earth is the only planet in our Solar System where life is known to exists. Note the use of the…
What Is A Dwarf Planet?
The term dwarf planet has been tossed around a lot in recent years. As part of a three-way categorization of…
What Are These Strange Scarlet Streaks Spotted on Tethys?
Resembling what the skin on my arms looks like after giving my cat a bath, the surface of Saturn's moon…
Eris’ Moon Dysnomia
Ask a person what Dysnomia refers to, and they might venture that it's a medical condition. In truth, they would…
New Horizons Mission to Pluto
Humans have been sending spacecraft to other planets, as well as asteroid and comets, for decades. But rarely have any…
Charon: Pluto’s Largest Moon
Charon is the largest moon of the dwarf planet Pluto. In fact, it's so large the two objects act like…
How Fast is Gravity?
How long would it take for the gravitational well created by the Sun to disappear, and the Earth and the…
- Astronomy
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Last, Best Look at Pluto’s Far Side and Four Perplexing Spots: 2 Days Out from Flyby
New Horizons' last look at Pluto's Charon-facing hemisphere reveals the highest resolution view of four intriguing darks spots for decades…