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Silly question of the day

I wonder if would be possible to see the flag on the moon?  Would it feasibly possible to take such an image with a very powerful telescope?  Could NASA silence the conspriacy theorists that say we never went to the moon by taken an image of the flag with Hubble?
Read more : Silly question of the day | Views : 5759 | Replies : 18

Planet Alignment

My reason for this question is purely because it makes me wonder what will happen when the Milky Way in directly in the middle of us......some say nothing will happen some say something will others say it's got something to do with 2012 (which i think is silly) I just find it intriging and exciting I know the last time this happened none of us would have been around but maybe someone out there has ...
Read more : Planet Alignment | Views : 3482 | Replies : 8

Comet Mcnaught

I have heard that Comet Mcnaught is going to be brighter than expected.

Is this true?
Read more : Comet Mcnaught | Views : 5129 | Replies : 11

Galactic Cirrus- Super Nova - Star Birth

Hi there sky gazers

I have a question - if someone could spare five minutes to answer this it would be much appreciated.

I have been watching 'Sky at Night' for a few years now and have assumed that galactic dust is the remnant from supernovas.

The last programme was focusing on the new Herschel telescope and showed several galactic dust areas - or galactic cirrus - firstly are these different from one another or ...
Read more : Galactic Cirrus- Super Nova - Star Birth | Views : 1319 | Replies : 1

RE: H-Alpha and prominences

How does using a filter make more light visible (Prominences are not visible in normal white light)? Are they blocked out by the intensity of the disk?
It doesn't. What the filter does is transmit (most of) the light emitted by the prominences, whilst absorbing or reflecting (almost all of) the light in the sky background - which is very bright indeed close to the sun.

Read more : RE: H-Alpha and prominences | Views : 2224 | Replies : 3


what the hell is noise pollution in astrophotography terms!?!?
Read more : astrophotography... | Views : 2046 | Replies : 2


hi,could you tell me if right ascention(ra) 0hrs starts in the northern sky throughout the year and does it move.
can you tell the time of night by ra?dave.
Read more : ra | Views : 1372 | Replies : 1

Ask a (silly) question...

Are you completely new to astronomy? Baffled by all the technical terms? Luckily, the Sky at Night Magazine forum is populated by plenty of friendly and knowledgable users, who are more than happy to share their knowledge - as well as the magazine's staff and experts.

So if you want to know the difference between a Dobsonian and a Schmidt-Cassegrain, what a H-alpha filter does, or any other astronomy-related topic under the Sun, post it ...
Read more : Ask a (silly) question... | Views : 1627 | Replies : 1


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