17 results for “sky”
Planet Earth
The Atmosphere
sky seems to go on forever. From orbit it is a startlingly thin blue line hugging
Article · 4 min read
Planet Earth
Weather and Climate
sky does today; climate is what it tends to do over decades. Both are driven by one thing
Article · 4 min read
Planets & the Solar System
The Sun
sky, only ten thousand times closer than the next nearest. It is a ball of glowing
Article · 4 min read
Space & the Universe
Galaxies and the Milky Way
sky. The ancient Greeks called it a river of milk. The Romans called it the Via Lactea
Article · 4 min read
Space & the Universe
Nebulae
sky. The word nebula is simply Latin for cloud, and for centuries astronomers used it for anything
Article · 3 min read
Planets & the Solar System
Mercury and Venus
sky after the Sun and Moon. Beneath them, the surface is a landscape of volcanic plains
Article · 3 min read
Planets & the Solar System
The Moon
sky, and Earth's day was perhaps five hours long. Craters, seas and dust The Moon
Article · 4 min read
Space & the Universe
Space Exploration
sky was out of reach. Then, in a single human lifetime, we learned to throw machines
Article · 3 min read
Space & the Universe
Exoplanets: Worlds Around Other Stars
sky. Astronomers assumed other stars had planets too, but they had no way to see them
Article · 3 min read
Chemistry
Water: The Strangest Ordinary Substance
sky, fills the oceans and flows from the tap. Yet chemists consider it one of the strangest
Article · 3 min read
Space & the Universe
Dark Matter and Dark Energy
sky will slowly empty. In a trillion years an astronomer in our galaxy would see nothing
Article · 3 min read
Life & Biology
The Origin of Life
sky of steam and carbon dioxide, hammered by leftover debris from the formation of the solar
Article · 4 min read
Planets & the Solar System
Jupiter
sky. It traps charged particles into radiation belts fierce enough to destroy unprotected electronics in hours
Article · 3 min read
Space & the Universe
The Big Bang
sky and call it the cosmic microwave background. It is, quite literally, a baby photograph of the universe
Article · 4 min read
Animals
Animal Migration
sky with an internal clock; monarchs do this with their antennae. Night-flying birds steer by the stars
Article · 4 min read
Plants & Fungi
Photosynthesis: How Plants Eat Light
sky, carbon dioxide pulled from the air molecule by molecule and welded into wood using the energy
Article · 3 min read
Planet Earth
Volcanoes
sky. These eruptions build steep cone-shaped volcanoes like Fuji, Vesuvius and Mount St Helens, and they
Article · 4 min read
