The Sun and Moon both appear to “rise” in the east, and “set” in the west. But as you can see in our video of the Moon’s shadow sweeping across the USA, it plainly travels from west to east!
This is a very good question, because it shows how … Read More »
Whenever eclipse geeks are talking about their calculations, they always need to make sure they are careful to distinguish as to whether they’re talking about “magnitude” or “obscuration”. In case you’d like to understand this, too, here is a quick explanation.
I’m going to use the word “percentage” below, … Read More »
The eclipse glasses contain a very special filter material that is ISO certified to be completely safe for direct solar viewing. So, as long as … Read More »
Why are they called “eclipse glasses”? Do you need them if you’re in the path? What about if you’re not in the path?
(You WILL need them – get … Read More »
Twelve – I mean, fourteen – I mean, essentially 12; realistically 12 – but no – REALLY 14!
…or is it…? Hmmm….. Let’s see –
The path of totality for the 2017 eclipse passes over the continental USA from coast to coast – the first time this has happened … Read More »
Easy! Someplace in the path of totality, where the weather is clear on eclipse day!
(How’s that for committing to an answer?!)
But seriously, beyond that general recommendation, eclipse2017.org can’t … Read More »
A great question! The Moon does indeed “carry” its shadow along with it, as it moves in its orbit around the Earth.
And whenever that shadow happens to … Read More »
This is the SIMPLEST app to use, of all the apps out there.
100% Ad-free! (even in the free version!)
And NO Astronomy degree required! Simply give it your location, and it’ll tell you whether you’re in the path of totality or not, and also when the eclipse happens … Read More »
Yes, you can certainly put them over regular eyeglasses, as I myself do!
The reality is that these “eclipse glasses” are really solar filters, and are designed to be used for only a brief time; people will hold them over their eyes, to get a view of the partially-eclipsed … Read More »
NO! NO! NO!
These cheap “filters” are manufactured and marketed as being able to be inserted into the eyepiece. That means that by the time they get to the filter, all the Sun’s rays have gone through … Read More »