Telescopes

An erecting lens is used in an astronomical telescope to right the image for terrestrial viewing. It can be placed between the objective and the ocular or be integrated in the eyepiece. Best regards Torbjoern

There were reports that the Bolognese Cesare Caravaggi had constructed one around 1626 and the Italian professor Niccolò Zucchi, in a later work, wrote that he had experimented with a concave bronze mirror in 1616, but said it did not produce a satisfactory image

Galileo's most famous invention was the telescope, which he used to make groundbreaking observations in astronomy. He made important discoveries about the moon, Jupiter's moons, and the phases of Venus thanks to his telescope.

The Copernican theory states that the Earth and other planets revolve around the sun, contrary to the previously held belief that everything revolved around the Earth. This theory revolutionized our understanding of the solar system and laid the foundation for modern astronomy. Nicolaus Copernicus, a Polish astronomer, proposed this idea in the 16th century.

Hydroelectricity is electricity produced by harnessing the power of flowing water to make energy. Though water power had been used for a number of mechanical tasks since ancient times, it wasn't until 1878 that the world's first hydroelectric power system was introduced.

It is best to view any of the planets listed when they are at their greatest eastern or western elongation. This is only a configuration that exists for planets closer to the sun than we are. Elongation refers to the angle of the planet from the sun from earth view. At greatest elongation, they have the farthest possible angle from the sun. This means that the planets are in a place in their orbit where they are brightest and most visible from earth.

For planets, farther from the sun than us on earth, the best possible time to view them is when they are in opposition. This refers to the planet being opposite the sun in the sky; this being the obvious opposite of the conjunction configuration where a planet appears behind the sun in the sky.

A telescope does two things; it produces a magnified (enlarged) image of what it is pointing at, and it collects more light than the "naked eye". This means that we can see things more clearly and we can see things that are further away. When Galileo turned his telescope towards Jupiter in early 1609, he was able to see it bigger and brighter than with the naked eye. He could also see Jupiter's four largest moons, which cannot be seen with the naked eye at all. Nowadays we also attach cameras to telescopes, and take long exposures of objects in the night sky. All the while that the camera is making its exposure, the telescope is gathering light. An exposure of, say, 4 minutes, will gather twice as much light as a 2 minute exposure. With long exposures, astronomers are able to obtain images of incredibly faint and distant objects.

Because cities have too much light pollution. They need to be in the dark - the darker the better. Also, when a ground based optical telescope (as opposed to a space telescope like the Hubble) looks up into the sky any image has to pass through the earth's atmosphere. In a city the air is often polluted and dusty, so looking through a telescope based there would produce a poor image - a bit like looking though a dirty window. On a mountain top the air is not only clean, but the atmosphere is less deep there because of the height of the mountain. The air above is less depth and cleaner so there is a better chance of a clearer image.

Advantages of X-ray telescopes include the ability to capture high-energy emissions from objects such as black holes and neutron stars, providing valuable information about these phenomena. However, X-ray telescopes are limited by Earth's atmosphere, which absorbs X-rays, necessitating the need for them to be placed in space. Additionally, X-ray telescopes tend to have lower resolution compared to optical telescopes.

A megaparsec is a unit of length used in astronomy to measure extremely large distances. It is equal to one million parsecs, where 1 parsec is approximately 3.26 light-years. Megaparsecs are commonly used to describe distances between galaxies or clusters of galaxies.

Galileo is the first recorded builder of the refracting telescope that I have been able to find. His doing so very nearly cost him his life as the church ruled science of the day and they felt his ideas were a real problem. He is reported to have spent the last 8 or 9 years of his life under 'house arrest'. -R. Edwards-Futurist

No, Mercury is largely grey, because of the composition of its surface. You can see this via the following links:

http://rst.gsfc.nasa.gov/Sect19/Sect19_7.html

http://blogs.discovermagazine.com/badastronomy/2008/10/29/the-colors-of-mercury/

http://www.sciencedaily.com/releases/2008/01/080123085313.htm

Mars is a reddish-brown because its surface is rich in iron as can be seen via the following links:

http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=31029

http://www.donaldedavis.com/PARTS/MARSCLRS.html

The temperate zones on the Moon refer to the regions near its poles that receive sunlight at a more oblique angle, resulting in more stable temperatures compared to the extreme heat and cold experienced in other areas. These regions may potentially have water ice deposits in permanently shaded craters due to the lack of direct sunlight.

Telescopic steering wheel means the distance between the steering wheel and the dash board can be adjusted. Like a telescope, you can move the steering wheel forward or backward. This feature allows the driver to adjust the distance of the steering wheel from the dash board as per his height and sitting position. The manual version is available in most of the cars. Some cars have the power version of this feature like Lexus ES 350.

The most important part of a telescope is the telescope tube. Other parts are the viewfinder or optical finderscope, eyepiece, focuser, reflecting mirrors, refracting lenses, and the mount assembly.

The second telescope was invented by Galileo Galilei in the early 17th century. He improved upon the design of the original telescope invented by Hans Lippershey, enhancing its magnification and clarity. Galileo used his telescope to make groundbreaking astronomical discoveries, including observations of the moons of Jupiter and the phases of Venus.

light waves do not require a medium to travel through, unlike water and sound waves which both need a medium (water and air, respectively). Light waves are electromagnetic in nature and can travel through a vacuum. They have different wave properties such as wavelength, frequency, and speed compared to water and sound waves.

The concept of the universe as we know it today was not named by any specific individual. The word "universe" comes from the Latin word "universum," meaning everything that exists, and has been used for centuries to describe the totality of all matter, energy, space, and time.

Optical microscopes use visible light to magnify objects, providing lower resolution images compared to electron microscopes which use beams of electrons to achieve higher magnification and resolution. Electron microscopes are able to see smaller objects in more detail due to the shorter wavelength of electrons compared to visible light.

Because both planets orbit the sun, the distance varies, since at some times both will be on the same side of the sun, but at other times, on opposite sides.

When Jupiter and Earth are closest, Jupiter is 390,682,810 miles (628,743,036 km) from Earth. The Earth is 93,000,000 miles (149,668,992 km) from the Sun. Jupiter is 483,682,810 miles (778,412,028 km) from the Sun. At our most distant, Jupiter is 576,682,810 miles (928,081,020 km) from the Earth, when the two planets are on opposite sides of the Sun. Measured in Astronomical Units (AU), the distance between Earth and Jupiter varies from 4.2 AU to 6.2 AU. An Astronomical Unit is approximately 93,000,000 miles (149,668,992 km), or the mean distance from the Earth to the Sun. Therefore, the distance between the Earth and Jupiter can be anywhere between slightly over four times or six times the distance from the Earth to the Sun.

The calculations are very close, but approximate, and also depend upon the slightly varying mass of the Sun, which has an effect on orbital distances.

It's about 370 million miles

The distance from Jupiter to Earth varies every year due to their elliptical orbits. At their closest point, the distance between the two planets is 365 million miles.

Distance from earth to sun is 93 million miles

How far is Earth from the Sun

Distance from Jupiter from sun is 484 million miles

How far is Jupiter from the Sun

Jupiter from sun - Earth from sun = Jupiter from earth

484 - 93 = Jupiter is 391 miles from earth

Please note, these numbers are rounded and in miles. The exact number may be slightly different due to rounding error. Also, because both earth and Jupiter have an elliptical orbit around earth, this number can vary from time to time. 391 is just the average distance.

Saturn's rings are made up of ice, rock, and dust particles that vary in size. These particles are thought to be remnants of comets, asteroids, or moons that broke apart in Saturn's gravitational field. The rings are likely kept in place by the gravitational pull of Saturn's moons and the planet itself.

The azimuth of Aquila, which is a constellation in the northern hemisphere, varies depending on the time and location. It is best viewed in the summer months, and its azimuth will change throughout the night as the Earth rotates. It typically ranges from around 265° to 295° in the evening sky.

The telescope was invented by Hans Lippershey, a spectacle maker from the Netherlands, in 1608. However, another spectacle maker and astronomer, Galileo Galilei, was the first to use the telescope for astronomical purposes in 1609.

Well, it auctually depends on the day that it is setting from, and how the day will be tomorrow. SO if it is going to be in the 90's the next day, and it was the 90's today, then it will go.... # A blue sky # Then the sun will start to lower and then a orange/red will come in # Then the sun will be about half way and then a purple/red/blue will show from behind the sun # As the sun is done and out of view, if the weather was nice and will be nice, then you should see a pink sky. I feel as if I cant stress it enough, all of the ways that a sunset will be depends on the weather AND location.

The reflecting telescope was invented by English scientist Sir Isaac Newton in 1668. He designed this type of telescope to overcome some of the limitations of the refracting telescopes that were used at the time. The reflecting telescope uses mirrors rather than lenses to gather and focus light, allowing for larger and more powerful telescopes to be built.