検索キーワード： 天文学・宇宙

The smallest planet in our solar system is also the closest to the sun. That means on Mercury, one year is just 88 days long! Discover more facts about the small but mighty Mercury.

Mars is famous for its coloring, but the fourth planet from the sun has more than that going for it. Discover more interesting facts and secrets about the famous "red planet."

Far off Neptune holds many mysteries! Its great distance from the sun makes it the coldest planet in the solar system. Discover the secrets of this chilly, blue ice giant that was named after the sea.

Saturn is famous for its rings. This very windy planet has another claim to fame—it has the most moons of all eight planets! Discover more amazing facts about the sixth planet in the solar system!

Scott Kelly, an American astronaut, went to space in the 1990s and 2000s. In 2015, he spent nearly a year in space. While there, his body was compared to his twin's on the ground. The data helped us learn about the impacts of space on the human body. Learn more about Kelly's life as an astronaut!

Uranus is the seventh planet from the sun and has a special feature, it tilts! Discover the mysteries of this ice giant that sits half in darkness for more than 40 years at a time!

Este libro te contará todo sobre las grandes maravillas que flotan sobre tu cabeza y te enseñará a encontrar algunos planetas y estrellas especiales desde la ventana de tu habitación. En esta divertida y emocionante guía, descubrirás todo sobre los signos del zodiaco y cómo pueden hacerte valiente, cariñoso, divertido, creativo ¡y mucho más!

When you were born, there was a sign of the zodiac that ruled the night sky. Astrologers believe that the particular sign appearing the moment you were born would influence your personality throughout your life. In this fun & exciting guide, you'll find out all about the signs of the zodiac & how they might make you brave, caring, fun, creative, & more! This book is also going to teach you all about the wonderful things floating around above your head & how to find planets & stars from your bedroom window.

“How do you travel in style across the galaxy?” “What do aliens really look like?” “What is the Fermi paradox and why should we care about it?” Discover the answers to these questions and many more at the Supervillain Academy: the magnificently morbid school for young bad folks-in-training. Learn more about how the search for extraterrestrial life and the search for planets are linked, the exoplanets and extremophiles that can be found all over the galaxy, and the weird and wonderful ways scientists think we (might) be able to travel around space.

Explore the wonders of the world and the furthest frontiers of space – and learn to build the universe’s most incredible sights with LEGO bricks! Look inside volcanoes, travel to the deepest depths of the ocean, find out what happens inside a black hole, send a message to aliens, and much...

هناك العديد من الدول التي تعمخل على تطويرلمشاريع تهدف الى استغلال القمر كمساحة للتعدين أي إن صح التعبير، ترى في القمر منجم عملاق غني بالمعادن.

Imagine taking a flight to the stars! Yo pretends to take a rocket into the sky to visit the stars–only he wonders if he will see the stars. Yo doesn’t want to crash into them if he can’t see them!

Of all the historic spacecraft vehicles displayed at the Cradle of Aviation Museum in New York–one remains special! On the Moon, it gave shelter to the astronauts. The National Aeronautics and Space Administration Lunar Module–also used as a communications center–the LM-13 was built to transport people from earth to outer space! Learn what else makes this aeronautical spacecraft special!

Have you ever wished you could go to the moon? Learn about Neil Armstrong, Edwin Aldrin, and their fellow astronauts on the Apollo 11 who took the first steps on the moon! Discover the process and challenges that NASA overcame to safely send people to the moon with engineering and physics. Understand how this historical moment affected space exploration for countries all over the world.

Could there be life forms on planetary moons such as Europa, Jupiter’s icy moon or Titian, one of Saturn’s largest moons? Although our moon is made of mostly rock, astronomers believe life may exist on other moons! Scientists know liquid water is needed to support life, and Europa has plenty of it. What other key ingredients are needed for life to exist in our solar system?

Embark on an out-of-this-world adventure with "Orbiting the Sun, Planets of the Solar System," a captivating and educational children's book that takes young listeners on an exciting journey through space! Packed with colorful illustrations and fascinating facts, this book is the perfect guide for budding astronomers and curious minds.

¡Siete insólitos destinos para quienes deseen pasar unas vacaciones de otro planeta! Una descripción detallada, original y divertida de cada uno de los planetas del Sistema Solar, que incluye información sobre las misiones espaciales que los visitaron y datos sobre los sitios web oficiales...

Have you ever heard of the Showdown at Separation Point? In 1878, astronomers, James Watson and Urbain J.J. Le Verrier, disagreed about the existence of a planet, being named Vulcan, between the sun and Mercury. During an eclipse over Wyoming with telescopes and sky maps, they were finally able to discover which astronomer was right. Who do you think won this science showdown?

Do you know that astronauts are not the only living beings who can travel through space? Our human microbes do as well! When human astronauts go into space and return, they bring the microbes inside their bodies with them! Learn what these organisms teach scientists and how they can affect the human body both in space and on Earth.

Have you ever wondered what living in space would be like? Meet the Kellys who are identical twins and both astronauts for NASA. With one brother in space and the other on Earth, they are an experiment to learn how human bodies that share the same DNA are affected by living in space for a long time. What do you think NASA can learn from this twin science study?