22 results for “star”
Space & the Universe
The Life of a Star
stars at once, which is why young stars are found in clusters. The long middle age A star
Article · 3 min read
Space & the Universe
Exoplanets: Worlds Around Other Stars
star. The first method looks for a wobble. A planet and its star orbit a common
Article · 3 min read
Space & the Universe
Nebulae
Star nurseries The great emission nebulae are the places where stars are being born. Deep inside
Article · 3 min read
Space & the Universe
Galaxies and the Milky Way
stars at the centre and a straight bar of stars running through the middle. From the ends
Article · 4 min read
Matter, Energy & Physics
Gravity
stars. Gravity squeezes the cores of stars until hydrogen fuses, so every star shines because of it. It holds
Article · 4 min read
Space & the Universe
Dark Matter and Dark Energy
stars at the edges crawling along. Instead, Rubin found that the outer stars move just as fast
Article · 3 min read
Planets & the Solar System
The Sun
star, the same kind of object as the thousands of points of light in the night
Article · 4 min read
Matter, Energy & Physics
The Periodic Table
stars, then scattered through space to be swept up into new stars and planets. The calcium
Article · 4 min read
Matter, Energy & Physics
Atoms
stars in the observable universe. Yet the nucleus is a hundred thousand times smaller than the atom
Article · 4 min read
Animals
Animal Migration
stars, the Earth's magnetism and memory. Here is how, and why. Every autumn, a monarch
Article · 4 min read
Animals
Birds
stars, see colours we cannot and cross oceans without landing. Birds are everywhere people are, and almost
Article · 3 min read
Space & the Universe
Black Holes
stars. When a star more than about twenty times the Sun's mass runs out of fuel
Article · 3 min read
Space & the Universe
The Big Bang
star, planet, atom and ray of light, was once packed into a space far smaller than
Article · 4 min read
Matter, Energy & Physics
Light
star as it was four years ago, and the Andromeda galaxy as it was before humans
Article · 4 min read
The Human Body
The Brain
stars in the galaxy. It is reading this, and it is the most complex object known
Article · 4 min read
Planets & the Solar System
Uranus and Neptune
star and the light grows feeble. Out here, twenty and thirty times farther from the Sun than
Article · 4 min read
Planets & the Solar System
Comets, Asteroids and Pluto
star, the source of comets that visit the inner solar system only once in millions of years
Article · 4 min read
Space & the Universe
Space Exploration
stars, still sending faint signals home. New Horizons gave us the first close-up pictures of Pluto
Article · 3 min read
Planets & the Solar System
Mercury and Venus
judge the habitability of the thousands of Earth-sized planets now being found around other stars.
Article · 3 min read
Planet Earth
The Atmosphere
stars, protecting the ground from a constant bombardment of about a hundred tonnes a day. The thermosphere
Article · 4 min read
Life & Biology
The Origin of Life
stars are born. The building blocks of life are not rare or special; they are what
Article · 4 min read
Planets & the Solar System
Jupiter
star. A planet without a surface Jupiter is a gas giant. There is no ground to stand
Article · 3 min read
