検索キーワード： 天文学・宇宙

Our sun is great at shining down light and heat on earth, but was the sun always that bright? With the help of gravity, the sun is eventually able to produce enough energy to give off light. Our sun has kept this up for four billion years and will keep shining for another five billion years!

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.

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.

Did you know you can explore space and visit the stars from right here on planet Earth? Follow along with Max and Kate as they visit a science museum and learn about the night sky.

Space holds some of the universe's biggest mysteries. Blast off into the unknown with stunning photographs and gentle introductions to new vocabulary. Readers will discover incredible facts about moon missions, planets, stars, and more in this entertaining, high-interest book.

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.

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.

Learn all about the lives and extended space adventure of astronauts Suni Williams and Butch Wilmore in this exciting biography. In March 2025, Suni Williams and Butch Wilmore splashed into the Gulf of Mexico. A pod of dolphins greeted them, and their friends and family celebrated their return...

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.

Prepare for a dazzling encounter with the solar system's most glamorous resident in VENUS!—the latest stellar "autobiography" in the OUR UNIVERSE series from the dynamic duo of Stacy McAnulty and Stevie Lewis! Venus! Fierce and Fabulous features music and special effects. Listen along and...

Hör Dich schlau! Die erfolgreiche Wissens-Hörspielreihe geht weiter. Komm mit zum Mond: Bestimmt hast du schon mal bemerkt, dass der Mond nicht jede Nacht gleich aussieht. Doch warum ist das so? Wie ist der Mond entstanden? Wo kommen seine vielen Krater her? Was passiert bei einer Mondfinsternis? Und wer war eigentlich der erste Mensch auf dem Mond? Finde Antworten auf diese und viele weitere spannende Fragen! Komm mit zum Mond und erfahre, was es mit der dunklen Seite des Mondes auf sich hat. Spieldauer: ca. 65 Minuten. Ein spannendes Hörspiel für Kinder ab 6 Jahren

The moon contains a wealth of natural resources. So, as the Earth's supplies have begun to dwindle, it is no surprise that the world's superpowers and wealthiest corporations have turned their eyes to the stars. As this new Space Race begins, A.C. Grayling asks: who, if anyone, owns the moon? Or Mars? Or other bodies in near space? And what do those superpowers and corporations owe to Planet Earth and its inhabitants as a whole?

Dive into the exciting space adventure of Astro the Asteroid, a children's story about space that will captivate your little ones' imaginations while they learn about the wonderful universe surrounding us. This audiobook is perfect for children aged three to six who dream of stars and galaxies, offering a unique mix of fantasy and authentic scientific facts to learn some basic astronomy. Get your kids ready for a journey that will teach, inspire, and entertain them!

If you've ever wanted to blast off into space, you're about to find out everything you need to become an astronaut - and the answers to all the big questions like, how do you wee in space? What can you see from the International Space Station? And how could we build a colony on Mars? Your mission, if you choose to accept, is to pull on your spacesuit and join your guide, real astronaut Tim Peake (and a host of expert STEM characters) in this fascinating adventure through space, time and the diary of one truly incredible space adventure.

Let the mission begin with this far-out series. This volume includes Mars Rovers, Robonauts, Rockets, and Space Shuttles.

On July 20, 1969, Neil Armstrong took one giant leap for mankind when he became the first person to set foot on the moon. Now, listeners can step back in time to learn about what led up to the Apollo 11 moon landing, how the historic event unfolded, and the ways in which one remarkable day changed America forever.

Listen to the first six audiobooks from author Stacy McAnulty’s beloved Our Universe series! This collection includes Moon! Earth's Best Friend; Ocean! Waves for All; Mars! Earthlings Welcome; Earth! My First 4.54 Billion Years; Sun! One in a Billion; and Our Planet! There's No Place Like...