Filter Telescope

When you use a filter to observe the sun through a telescope what does it look like?

Is the sun still orange or what?
Or is it black and white
Also is it hazy or what

The cheap mylar whole-aperture filter are more-or-less white light. They'll show you sunspots but comapratively little else. …

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Glass Solar

Glass Solar The new solar energy technologies, spray-coated glass

New energy technologies, today announced that researchers have overcome in creating the first solar glass can be seen in a major scientific obstacles, through the use of environmentally friendly, non-metallic, transparent compounds to replace the original low visibility of the solid metal material.

To date, researchers …

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Power Binoculars

what is the highest powered binoculars?

Astronomy binoculars are generally the highest power. Here is a higher powered pair--up to 40 power. They can not be hand held. Too much shake and too heavy. They require a tripod.

http://www.binoculars.com/binoculars/astronomy-binoculars/25x40x100bluelinejumbobnclrswfullsizetripod.cfm#navbar=a

For normal use about 10x is about the maximum that can be hand held …

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Solar Filter

Solar Filter

Should I buy a neutral density moon filter in order to view the moon through my telescope?

I have a 5" reflector telescope with a 5" cover that allows a smaller hole to be opened for reduced light transmission. It seemed to make the moon dimmer, but I also lost quite a bit …

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Telescope Filter

What is the minimum size telescope needed to resolve this binary?

An observer is using a telescope to resolve a binary star with a separation of 0.40 arcseconds using a filter which passes light at 5000 A. What is the minimum size telescope needed to resolve the binary?

Steps would be much appreciated. …

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Power Telescope

Online mapping applications have come a long way from the days when traditional paper maps were scanned and put on the Internet.

If you still haven't made the transition from the traditional paper maps to online map navigation, here are 5 reasons that will help you decide in favor of the latter one.…

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Solar Sun

Solar Sun

A sun powered battery charger is a convenient way of saving money while using natural resources. This transportable battery charger can go almost anywhere. They are easy to operate and do not require a technology degree to set up. Because the sun powers this type of charger, you will always have power available …

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Solar Sun Filter

I NEED HELLLLLLLP, PLZ HELP i will definitely give best answer and will feel so much better!!!?

ok so we have this science project to invent something and i came up with a solar power air purefier that can be used outside to filter the air.

i dont know how to combine …

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Film Solar

Film Solar

How much raw semiconductor material is used by thin film solar modules?

Silicon cells use wafers about 200 microns thick. Thin films use layers just a few microns thick. But how much is that really? How many cells can First Solar make out of 1 kg of CdTe?

use less than 1% of …

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Power Telescope

Power Telescope

The different types of lasers

Color

Lasers are now available in red (632nm), green (532nm), blue (473nm), orange (594nm) and infrared (808nm to 1064nm). The color of the laser determines the visibility of the laser, the attractiveness of the beam and the price. The color of the laser does not determine the power …

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