Astronomy

A star is a ball of very hot gas that shines by its own light. planets as you know, and our moon, too, shine only by light reflected from the sun, and planets shine with a steady light while stars appear to twinkle. This is caused by substances in the air between the star and … Read more

Nowadays we hear about “flying saucers”, and people wonder if there are other worlds where some sort of living creature might exist. The reason people can even imagine such things is that we know that our solar system is only a tiny part of the whole immense universe. And scientists believe that there are probably millions of … Read more

Centuries ago, the Incas of Peru called themselves “Children of the Sun”. and performed ceremonies in the worship of the king of the heavenly bodies. They were wrong, of court, in thinking that the sun was a god; but they were right in believing that there would be no life on earth if it were … Read more

Every bright star is a sun, like our own sun. This means that stars are huge globes of glowing gas. They are so hot that if a piece of steel were placed there, it would disappear in a puff of gas! In many of the stars,  the gases are very thin. This is because the … Read more

To get a picture of what happens during an eclipse, think of these three bodies: the earth, the sun, and the moon. The moon revolves around the earth. The sun shines out there beyond the moon. But sometimes, as the moon goes around the earth, it passes directly between the earth and the sun.  And … Read more

Sometimes we can measure something—and yet have no real understand- ing of what that measurement means. When it comes to distances in the universe.  for example,  we are able to measure them,  but our minds cannot really grasp what that means in terms of our life. For distances in the universe, a special unit of … Read more

In 1610, soon after the telescope was invented, Galileo became the first man to see spots on the sun. Through the telescope, the sunspots look like dark holes in the sun’s white disc. Sunspots may & observed on almost any clear day. They vary greatly in size. Some ap ar like mere specks on the … Read more

Meteors also called  “shooting stars”,  have long been a mystery to man. Today, astronomers feel they have a pretty good idea of what meteors are. They believe them to be broken fragments of comets. When comets break up, the millions of fragments continue to move through space like a meteor swarm or stream. The swarms … Read more

The differences between Uranus and Neptune are quite subtle, but this blog post will help you know the difference. Uranus is smaller than Neptune, has a less-dense atmosphere, and rotates on its side because of its unusual tilt. It also has 27 moons circling it while Neptune only has 13. Uranus is mostly made up … Read more

The sun is a star. It’s the only star that we can see with our naked eyes. It’s also the closest star to Earth, making it seem like it’s always there and giving us plenty of light throughout the day. The Ultra Sun is a new type of sun created by scientists. It provides plenty … Read more