3 results for “dark matter”
Planets & the Solar System
The Moon
dark patches, which early astronomers named maria, Latin for seas, are not water but vast plains of frozen lava that welled up through giant impact basins between about 3.1 and 3.8 billion
Article · 4 min read
Planets & the Solar System
Uranus and Neptune
dark material eight kilometres into its thin atmosphere. Triton is slowly spiralling inward and will one day be torn apart by Neptune's gravity, forming a ring. The unexplored frontier A single
Article · 4 min read
Planets & the Solar System
The Sun
dark only because they are cooler than their surroundings. The number of sunspots rises and falls on an eleven-year cycle. Twisted magnetic fields can snap and reconnect, releasing in minutes
Article · 4 min read
