8 results for “dark energy”
Space & the Universe
Dark Matter and Dark Energy
Dark energy now accounts for about 68 percent of the universe's total energy, and its share
Article · 3 min read
Matter, Energy & Physics
Gravity
dark energy, which show themselves only through gravity, really are, remain among the largest open questions
Article · 4 min read
Matter, Energy & Physics
Energy and Heat
Energy cannot be made or destroyed, only moved and changed. Heat is the form it always
Article · 4 min read
Planet Earth
Inside the Earth
dark basalt that erupted from undersea volcanoes. Under the continents it is thicker, up to seventy kilometres beneath mountain ranges, and made of lighter granite-like rock. Compared with the planet
Article · 4 min read
Planets & the Solar System
Uranus and Neptune
dark storms have appeared and faded since. Neptune radiates more than twice the energy it receives
Article · 4 min read
Planets & the Solar System
The Sun
energy can take something like 100,000 years to travel from the core to the surface, a distance light could cover in two seconds in empty space. In the outer third
Article · 4 min read
Matter, Energy & Physics
Sound
energy. A whisper is about 30 decibels, normal talking about 60, a busy road about 85 and a rock concert well over 100. Long exposure to sounds above about 85 decibels
Article · 3 min read
Animals
Animal Migration
dark depths to feed near the surface, and every dawn they sink again to hide from predators. In sheer weight of life on the move, nothing else comes close. Finding
Article · 4 min read
