19 results for “orbit”
Space & the Universe
Exoplanets: Worlds Around Other Stars
orbiting the star 51 Pegasi. Within three decades the count passed five thousand. We now think
Article · 3 min read
Space & the Universe
Space Exploration
orbit and sending robots past Pluto. Here is how we reach space and what we have
Article · 3 min read
Matter, Energy & Physics
Gravity
orbit, lights the stars and shapes the universe. Newton described it; Einstein explained it as the bending
Article · 4 min read
Planets & the Solar System
Uranus and Neptune
orbit two planets that no one saw until the age of telescopes. They are not quite
Article · 4 min read
Planets & the Solar System
Comets, Asteroids and Pluto
orbits of Mars and Jupiter circle well over a million known asteroids, with countless more too small
Article · 4 min read
Planets & the Solar System
Jupiter
orbit Jupiter has 95 known moons, but four dominate: Io, Europa, Ganymede and Callisto, discovered by Galileo
Article · 3 min read
Space & the Universe
Galaxies and the Milky Way
orbit the galactic centre at around 230 kilometres per second, completing one lap every 230 million
Article · 4 min read
Planets & the Solar System
Mars
orbiting about one and a half times farther out than Earth. It is small, about half
Article · 4 min read
Planets & the Solar System
Mercury and Venus
orbiting at an average of 58 million kilometres, barely more than a third of Earth's distance
Article · 3 min read
Planets & the Solar System
Saturn
orbit, occasionally colliding and clumping. Gaps divide the rings into bands. The widest, the Cassini Division
Article · 4 min read
Planets & the Solar System
The Moon
orbit. Within perhaps a century that debris clumped together into the Moon. At first it hung
Article · 4 min read
Planet Earth
The Atmosphere
orbit it is a startlingly thin blue line hugging the curve of the planet. The atmosphere
Article · 4 min read
Space & the Universe
The Life of a Star
orbit of Mercury and Venus and roast the Earth. Inside the giant, the core becomes hot enough
Article · 3 min read
Space & the Universe
Dark Matter and Dark Energy
orbit at different distances from the centre of spiral galaxies. In the solar system, planets farther
Article · 3 min read
Matter, Energy & Physics
The Quantum World
orbit but a cloud of possibility with a shape set by its energy. Uncertainty Werner Heisenberg
Article · 4 min read
Planets & the Solar System
The Sun
orbit from billions of kilometres away. A nuclear furnace At the centre of the Sun, the weight
Article · 4 min read
Planet Earth
Weather and Climate
orbit slowly shifts, swinging the planet in and out of ice ages. It is now changing
Article · 4 min read
Space & the Universe
Black Holes
orbiting just as it does now, in the dark. What we still don't know In 1974 Stephen
Article · 3 min read
Matter, Energy & Physics
Atoms
orbiting the nucleus like planets is wrong, though. Electrons do not have paths. Quantum mechanics describes
Article · 4 min read
