検索キーワード： 天文学・宇宙

One way astronomers search for planets is by looking for the shadows they cast in front of stars.

The Sun is our closest star. Stars produce heat, light, and do not orbit other celestial objects.

How can the moon or sun seem to disappear right before our eyes? When the moon, the Earth, and the sun align just right in their orbits, they can cause a solar or lunar eclipse! Find out how light and shadow work together to trigger these cool events.

Beliefs about the shape of the earth have varied over the millennia, but the Ancient Greeks were able to observe that our planet is round and even Eratosthenes attempted to measure its size. It was not until explorers had fully charted the globe that most people were really able to comprehend its spherical shape.

Anna must wake up late and struggle to keep warm outside so she can watch a meteor shower.

Who knows what is at the end of a black hole? Astrophysicists!

Galileo used his telescope to discover new and marvelous mysteries in the night sky!

Are there more than 13 planets in our solar system? Learn how astronomers categorize the objects out in space.

If scientists found a way to live on a different planet, would they tell people they could live there and make it a new Earth?

Astronomers have discovered a distant planet that can possibly sustain life. The planet is known as Earth and is inhabited by humans! Children will enjoy seeing how aliens might imagine the shapes and colors of Earth's creatures.

Experience the greatest breakthroughs in science, with the DK Science Stories series. On 16th July 1969, three men sit at the top of a towering rocket. Strapped into their Command Module, the astronauts brace themselves as the engines roar into life, flames lick out from beneath the rocket, and...

When Neil Armstrong first set foot in the lunar dust, the Earth held its breath. That one small step forever changed our view of what was possible, sparking a dramatic expansion of humankind's cosmic awareness. When we gain a new perspective, a transformation begins, profoundly altering the understanding of the world our human experience had previously granted us.

Take flight on an exciting, fun-filled adventure exploring the history, technology, and future of airplanes. From the earliest flying machines to the high-tech jets and spaceplanes of the future, this book is packed with fascinating facts, immersive storytelling, and stunning visuals that bring the world of aviation to life.

Hör Dich schlau! Die erfolgreiche Wissens-Hörspielreihe geht weiter. Erforsche den Mars : Auf geht's zum Mars! Das Trio Theo, Tess und Quentin folgt Kinderfragen und reist zum Mars, um Antworten zu finden. Gibt es Leben auf dem Mars? Wer erforscht, wie es dort aussieht? Und werden wir irgendwann mit Raumschiffen zum erdähnlichsten Planeten unseres Sonnensystems reisen können? Von der Entstehungsgeschichte über die Besonderheiten, die Atmosphäre und die Monde des Roten Planeten bis hin zu topaktuellen Forschungswissen und geplanten Missionen in der Zukunft.

Have you ever wondered, “What is time?” It’s one of the most intriguing questions in the universe, sparking the curiosity of both children and adults. The Big Questions: What is Time? invites young readers aged 5 and up to explore the mysteries of time in a way that is captivating, thoughtful, and inspiring. Written by interdisciplinary psychologist Ethan Solace, this book journeys through the wonders of time with a unique blend of scientific discovery, philosophical reflection, and imaginative storytelling.

Sixty-six million years ago an asteroid as large as Mt. Everest hit what is now the Yucatan Peninsula at a speed ten times faster than the fastest rifle bullet. Debris from the impact blew into space, re-entered the atmosphere as a swarm of shooting stars that burned the global forests and grasslands, leaving behind a thin global layer containing rock from the asteroid and from Mexico, and smoke from the fires. This layer marks one of the greatest extinctions in Earth history including not just dinosaurs, but also fish, plankton, ammonites, and plants making up about 75% of the known species.