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What Is Astronomy?
What Is Astronomy?
Astronomy is the study of objects in space.. Objects outside the atmosphere include moons, planets, stars, solar systems, galaxies, and more.
Astronomy is the study of objects in space.. Objects outside the atmosphere include moons, planets, stars, solar systems, galaxies, and more.
Astronomy is one of the oldest sciences. Even in ancient times, people would study the stars and skies. Ancient astronomers could only observe with their eyes, but scientists can now use telescopes to observe far-away objects. One very famous example is the Hubble Telescope, which has captured some of the most detailed photographs of the visible universe.
Astronomy is one of the oldest sciences. Even in ancient times, people would study the stars and skies. Ancient astronomers could only observe with their eyes, but scientists can now use telescopes to observe far-away objects. One very famous example is the Hubble Telescope, which has captured some of the most detailed photographs of the visible universe.
Robotic Telescopes
Robotic Telescopes
Not all telescopes have to be controlled directly by human hands.
Not all telescopes have to be controlled directly by human hands.
MicroObservatory is a network of telescopes all over America that you can control over the internet. MicroObservatory telescopes are called robotic telescopes because they use computers and machines, not humans, to point the telescope in the right direction and take pictures.
MicroObservatory is a network of telescopes all over America that you can control over the internet. MicroObservatory telescopes are called robotic telescopes because they use computers and machines, not humans, to point the telescope in the right direction and take pictures.
The MicroObservatory and Observing with NASA website are part of NASA (National Aeronautics and Space Administration). This website was created so that everyone can use the telescopes to learn about astronomical objects.
The MicroObservatory and Observing with NASA website are part of NASA (National Aeronautics and Space Administration). This website was created so that everyone can use the telescopes to learn about astronomical objects.
How Do Telescopes Work?
How Do Telescopes Work?
Telescopes help us see objects that are far away. Early telescopes collected light from distant objects and used glass lenses in a tube to focus that light at our eye.
Telescopes help us see objects that are far away. Early telescopes collected light from distant objects and used glass lenses in a tube to focus that light at our eye.
Modern telescopes have unique uses and collect other signals besides light we can see. There are many types of telescopes – each developed from the original models.
Modern telescopes have unique uses and collect other signals besides light we can see. There are many types of telescopes – each developed from the original models.
Reflecting telescopes use mirrors instead of lenses to concentrate and focus light.
Reflecting telescopes use mirrors instead of lenses to concentrate and focus light.
Radio, microwave, and X-ray telescopes help astronomers observe objects that give off energy that cannot be seen with our eyes.
Radio, microwave, and X-ray telescopes help astronomers observe objects that give off energy that cannot be seen with our eyes.
Space telescopes are placed beyond the Earth’s atmosphere where they have a clearer view of the universe.
Space telescopes are placed beyond the Earth’s atmosphere where they have a clearer view of the universe.
Observing with NASA gives you different options for controlling telescope camera settings to improve your pictures, including field of view, exposure time, and filter selection. You will explore these further in the Do It! section.
Observing with NASA gives you different options for controlling telescope camera settings to improve your pictures, including field of view, exposure time, and filter selection. You will explore these further in the Do It! section.
What Can You Photograph?
What Can You Photograph?
With Observing with NASA, you can look at pictures of the moon, the sun, and planets in our solar system. You can even take your own photos of the moon, sun, stars, and even objects that are much farther away including distant stars, nebulae, and galaxies.
With Observing with NASA, you can look at pictures of the moon, the sun, and planets in our solar system. You can even take your own photos of the moon, sun, stars, and even objects that are much farther away including distant stars, nebulae, and galaxies.
Nebulae are clouds of gas and dust. They can be formed by gravity or other forces causing dust and gas to come together, sometimes creating new stars. Nebulae can also be formed when stars explode, scattering dust and gas far into space.
Nebulae are clouds of gas and dust. They can be formed by gravity or other forces causing dust and gas to come together, sometimes creating new stars. Nebulae can also be formed when stars explode, scattering dust and gas far into space.
Galaxies are huge systems of stars and other matter held together by gravity.
Galaxies are huge systems of stars and other matter held together by gravity.
We live in a spiral-shaped galaxy called the Milky Way. The Sun is one of around 100-400 billion stars in the Milky Way galaxy, and scientists believe that there are over 170 billion galaxies in the universe.
We live in a spiral-shaped galaxy called the Milky Way. The Sun is one of around 100-400 billion stars in the Milky Way galaxy, and scientists believe that there are over 170 billion galaxies in the universe.
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