Telescopes-(2)-التلسكوبات
Air causes another problem for telescopes. The air low in Earth’s atmosphere swirls about. This movement bends the light coming down from space just a bit, making the images we…
Air causes another problem for telescopes. The air low in Earth’s atmosphere swirls about. This movement bends the light coming down from space just a bit, making the images we…
Telescopes help us see things that are far away. They make distant objects look bigger. Using telescopes, astronomers have discovered thousands of stars, planets, moons, and many other extraordinary objects,…
HOW DO SATELLITES WORK IN SPACE? Space is a difficult place to be. You can’t plug in a cord in outer space, so satellites need to take a power source…
How does a television signal get to the other side of the world in seconds? What tells ships exactly where they are in the middle of the ocean? How do…
WHAT IS A MISSILE? Missiles are rockets that carry bombs. Guided missiles have steering systems that guide them to destroy their targets. The smallest guided missiles can be carried by…
You hear a rumble and a roar. A blast of fire shoots out of a big rocket. The rocket heads up into the air. Maybe the rocket is carrying a…
The eclipse was associated with legends, and most civilizations considered it a bad omen. Ancient cultures tried to understand why the sun temporarily disappeared from the sky, so they came…
WHAT IS THE MILKY WAY? The Milky Way is a big group of stars known as a galaxy. There are billions of stars withinside the Milky Way. The Sun and…
Earth can be seen below by astronauts on a space shuttle trip. As the shuttle circles the globe, they get to see different sections of the planet. The space shuttle…
The shapes of constellations slowly change over very long periods of time. The familiar forms will look quite different many thousands of years from now. تتغير أشكال الأبراج ببطء على…
In historical instances while human beings appeared up on the starry night time sky, they idea they noticed shapes in agencies of stars. We name those shapes constellations. The historical…
Imagine how nervous prehistoric humans have to were after they noticed a black disk protecting up the Sun. This darkening of the Sun withinside the center of the day is…
You look at a map to find out where you are. A map can tell you what city you are in and what street you are on. But do you…
WHAT ARE COMETS? Astronomers in the 1500s and 1600s began to study comets. They found that comets are bodies in space, not part of the atmosphere. A British astronomer named…
Black holes are some of the strangest things in space. A black hole sucks in anything that gets near it. Nothing can escape from a black hole—not even light. …
Asteroids are rocks in space that never quite made it like planets. Astronomers think that our solar system began as a cloud of gas and dust. Gravity pulled parts of…
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