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Telescopes
A telescope is a device used to form images of distant objects. There are two kinds: an optical telescope uses lenses and is known as a refracting telescope or a refractor, and a reflecting telescope, which uses a mirror and is known as a reflecting telescope or a reflector. The earliest telescope was a refractor built by the Dutch eyeglass maker Hans Lippershey. This category is for questions related to telescopes, including using them to view distant planets and objects in space.
1,887 Questions
Is a 350x magnification on a telescope powerful enough to see stars?
You don't need magnification to see stars. In fact, you don't even need a telescope.
Go outside on any clear night, move away to a really dark spot, far away from city lights,
and you'll see thousands of them, just with your eyes.
But there are a lot more thousands of stars that are too dim for your eyes to detect.
If you want to see those, you need something to make them look brighter, and it's not
too hard to find one. The way they work is: They take all the starlight that hits something
the size of a saucer, or a basketball, or a hula-hoop, or a round trampoline, or a kiddy-pool,
then focuses it down into a spot that's small enough to fit through the pupil of your eye.
That's called "light gathering", and that's what a telescope does to let you see stars that
are too dim to see on your own, with your bare eyes.
Why should scientists continue to improve telescopes?
Scientists should continue to improve telescopes to enhance our understanding of the universe by capturing clearer images of distant celestial objects, allowing us to uncover new discoveries and insights into the nature of the cosmos. Upgrading telescopes can also help us observe more precise details, measure distances more accurately, and study various phenomena in greater depth, ultimately advancing our knowledge of the universe.
Is refracting telescopes bigger then reflecting telescopes?
Not necessarily. Refracting telescopes can be large, but reflecting telescopes can also be quite large and often have larger apertures due to their design. The size of a telescope depends on its purpose and design specifications rather than whether it is refracting or reflecting.
Which magnifies the image in a telescope?
The objective lens or mirror in a telescope magnifies the image by gathering and focusing light from distant objects.
Does a reflecting telescope produce an upright image?
The most common type of reflecting telescope produces an inverted image. However, it's possible for a reflecting telescope to produce an upright image, depending on exactly how the optics are arranged.
What year was thee telescope invented?
The telescope was invented in 1608 by Hans Lippershey, a Dutch eyeglass maker. This early version of the telescope consisted of a convex objective lens and a concave eyepiece lens. The invention of the telescope revolutionized astronomy by allowing astronomers to observe objects in the sky with greater detail and precision.
The Hubble Space Telescope is a powerful telescope that orbits Earth and captures images of distant galaxies, stars, and other celestial objects. It has provided significant contributions to our understanding of the universe and has been in operation since 1990.
What is the type of telescope and the wavelength of light used?
The James Webb Space Telescope is an infrared telescope, designed to observe objects in the infrared spectrum. It covers a range of wavelengths from about 0.6 to 28 micrometers.
What is a room containing telescopes for studying planets?
An observatory is a room containing telescopes for studying planets. These facilities are typically equipped with advanced instruments and technology to observe celestial bodies in detail. Scientists use observatories to conduct research on planets, stars, and other astronomical phenomena.
What are ultraviolet telescopes used for?
Ultraviolet telescopes are used to observe celestial objects emitting ultraviolet radiation, which is not visible to the human eye. They provide valuable information about the composition, temperature, and dynamics of stars, galaxies, and other astronomical phenomena that emit UV light. This can help astronomers study the formation of stars, the evolution of galaxies, and the presence of elements in the universe.
What nebulae can you see without a telescope?
Some nebulae that can be seen without a telescope include the Orion Nebula (M42), the Lagoon Nebula (M8), and the Andromeda Galaxy (M31). These objects are bright enough to be visible to the naked eye under dark skies.
What wavelength does the Chandra telescope use to examine outer space?
The Chandra Telescope uses x-rays to examine outer space.
What does the simplest optical telescope contain?
The simplest optical telescope typically consists of two main components: a concave objective lens or mirror that collects light and forms an image, and a smaller eyepiece lens that magnifies and brings the image into focus for the observer. These components come together to allow for viewing distant objects in greater detail by gathering and focusing light.
Non-reflecting film is a type of film that is designed to reduce glare and reflection caused by light. It is commonly used on displays, windows, and lenses to improve visibility and clarity by minimizing light distortion. This type of film is often preferred in environments where maintaining a clear view is important.
What do people look through a telescope to see?
People commonly look through telescopes to see into space. Telescopes are used by NASA to see stars and planets very far away, and less sophisticated models are used to see planets in our solar system, or even the moon.
Why did Edwin hubble make a space telescope?
The Hubble Space Telescope was flown into space aboard the Space Shuttle Discovery, mission STS-31, on April 24, 1990. On the subsequent servicing mission, in December, 1993, flaws in the original optics were corrected.
The resolution of the Hubble Space Telescope at a distance of 4.2 AU is about 207 km. At this distance, the smallest feature visible on Jupiter would need to be larger than 207 km to be resolved by the telescope based on its angular resolution of 0.05 arcseconds. Smaller features would appear blurred or indistinct.
Which power of a telescope is the least important?
The least important power of a telescope is likely the magnification power. While magnification allows you to zoom in on objects, other factors such as aperture size, optical quality, and clarity are more crucial for obtaining clear and detailed images.
Who invented the telescope in 2010?
The telescope was invented in 1608 not 2010.
See related question.
How is the size of a reflecting telescope indicated?
The size of a reflecting telescope is typically indicated by its aperture, which is the diameter of the primary mirror. Aperture size plays a crucial role in determining the light-gathering ability and resolving power of the telescope.
What effects does the hubble space telescope have on society?
The Hubble Space Telescope has had a significant impact on society by advancing our understanding of the universe and providing breathtaking images that inspire people around the world. It has contributed to numerous scientific discoveries, education, and public outreach activities that have increased public interest in astronomy and space exploration. Additionally, it has helped to create new technologies and collaborations that benefit various fields of science and technology.
Which state has the most telescopes?
Hawaii is home to the most telescopes because of its ideal weather and high-altitude locations, offering clear and stable viewing conditions for astronomy research. Mauna Kea, in particular, is a popular site for astronomical observatories due to its high elevation and minimal light pollution.
How do you set up a temporary wet mount slide?
The eye can distinguish very small objects, but it cannot see many microscopic creatures, such as dust mites, microcrustaceans, amoebas and bacteria. Microscopes open up this world to humans the way telescopes open up the night sky. There are many techniques scientists and students use to view the microscopic world. One of the easiest and most common techniques is making a wet mount slide. Wet mount slides are appropriate whenever the object of interest has aquatic origins or is itself a liquid.
Was space named space after it's space?
The term "space" comes from the Latin word "spatium," which means an interval or gap. It's not named after the content of space itself, but rather describing the concept of the vast expanse that exists between celestial bodies.
Why did human eyes evolve to detect visible light?
Because the people whose eyes could not detect visible light didn't survive
to have children. They were completely outclassed, outhunted, and outfought
by the people whose eyes could detect it.
