15 results for “core”
Space & the Universe
The Life of a Star
core, a protostar, sits at the centre. When the core reaches about 10 million degrees, hydrogen
Article · 3 min read
Planet Earth
Inside the Earth
core At about 2,900 kilometres down, the rock gives way abruptly to metal. The core
Article · 4 min read
Planets & the Solar System
The Sun
core to 250 billion times the pressure of Earth's atmosphere and heats it to about
Article · 4 min read
Planets & the Solar System
Comets, Asteroids and Pluto
core like a miniature planet. Jupiter is the reason the belt never became a planet. Its gravity
Article · 4 min read
Planets & the Solar System
Jupiter
core of rock and ice several times Earth's mass, though NASA's Juno spacecraft has found
Article · 3 min read
Planets & the Solar System
Uranus and Neptune
core. Laboratory experiments suggest that the pressure may squeeze carbon from methane into diamonds that rain
Article · 4 min read
Planets & the Solar System
Mars
core stopped generating a strong magnetic field, and without that shield the solar wind gradually stripped
Article · 4 min read
Space & the Universe
Nebulae
core lights the drifting gas, producing a planetary nebula, often a delicate ring or hourglass shape
Article · 3 min read
Planets & the Solar System
Mercury and Venus
core takes up about 85 percent of its radius, suggesting a giant collision early in its history
Article · 3 min read
Space & the Universe
Black Holes
core collapses and nothing can stop it. The result is a black hole a few times
Article · 3 min read
Life & Biology
The Origin of Life
core chemistry of modern cells still resembles the chemistry that happens naturally in vent minerals. Another
Article · 4 min read
Matter, Energy & Physics
Gravity
cores of stars until hydrogen fuses, so every star shines because of it. It holds the atmosphere
Article · 4 min read
Matter, Energy & Physics
Electricity and Magnetism
core, and a compass needle is a small magnet lining up with it. In 1820 the Danish
Article · 4 min read
Matter, Energy & Physics
The Quantum World
core are not hot enough to overcome their mutual repulsion and fuse, but they tunnel through
Article · 4 min read
Matter, Energy & Physics
The Periodic Table
cores, and the heavier ones, gold, silver, lead and uranium, in the violence of supernovae and collisions
Article · 4 min read
