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Venus is often considered the Evening Star or the Morning Star, depending on which time of day it is up and dominating the twilight. For example, until late September 2010, Venus will appear as a brilliant yellow star in the evening sky, right after sunset. Located 15° above the western horizon one hour after sundown, it remains on view until after 10 P.M. local daylight time. At the beginning of June, Venus spans 13" across and shows a gibbous disk 80-percent lit. By late in the month, the disk has grown to 16" and the phase has shrunk to 70-percent illumination. The planet shines at a stunning -4 magnitude, about ten times brighter than the brightest star Sirius, and by far the brightest celestial object after the Sun and Moon. Venus is so bright due to a combination of factors. Venus is covered with an opaque layer of highly reflective clouds of sulfuric acid. These clouds reflect 70-percent of the sunlight that hits them. For comparison, the Earth reflects 36-percent and Mars and the Moon around 15-percent of the sunlight striking them. Venus is also rather large, being only a bit smaller than the Earth - its radius is 95-percent as large as Earth's. The final piece of Venus' brightness puzzle is its close distance to Earth. Right now, the planet is 1.2 astronomical units (110 million miles) from Earth.
Originally posted by Havick007
Hello Fellow Truth Seekers,
Now my question is how can we be sure of what info we are getting from online.
As i said as well it hasnt moved at all as a planet in orbit would.
We simply can't.
Originally posted by Funk bunyip
I've been watching it from South Aust too.. man is it bright!
I've never seen Venus this bright before, you can see it while the sky is still blue just after sunset and well into the night.
Thanks for posting the question OP
Originally posted by LeoVirgo
reply to post by YouCanCallMeKM
Great posts....I always forget that some may see it from a different perspective, like the pic I posted is having Mars to the upper left....but from a different place on Earth, it could be to the upper right.
Originally posted by YouCanCallMeKM
Originally posted by LeoVirgo
reply to post by YouCanCallMeKM
Great posts....I always forget that some may see it from a different perspective, like the pic I posted is having Mars to the upper left....but from a different place on Earth, it could be to the upper right.
Yea you really gotta be careful. Next time your out and about at night. Look up and look at the stars and pick out ones you can easily spot out. Walk about 3-4 min in one direction and look up again. you will notice the positions of the stars changed. and some dramatically.
Originally posted by Tempest333
Originally posted by YouCanCallMeKM
Originally posted by LeoVirgo
reply to post by YouCanCallMeKM
Great posts....I always forget that some may see it from a different perspective, like the pic I posted is having Mars to the upper left....but from a different place on Earth, it could be to the upper right.
Yea you really gotta be careful. Next time your out and about at night. Look up and look at the stars and pick out ones you can easily spot out. Walk about 3-4 min in one direction and look up again. you will notice the positions of the stars changed. and some dramatically.
I hope at least one of you is being facetious or sarcastic, because theese two statements are actronomically false. Move to a different position on the Earth and you will see the same sky, just a different part of it. Sure the planets will be in a different location from horizon to horizon, but their relation to the rest of the stars and planets do not change to any degree visible to the naked eye no matter where you are on the Earth.
If all the planets were all in a line directy out from the equator, where you just see the closest one with the rest behind, and you move N or S about 2000miles, you will be able to see a bit of the stars behind the first.
You would deffinately not see Mercury, Venus, and Mars all lined up at an angle from lower left to high right, and then go anywhere else and see them from the lower right to high left. Just to much distance to bring about that big a change in positioning.
That's my take. I'm no expert. Took Astronomy courses in college (3000's), AST2012, AST3032 (History of Astronomy 3rd yr course), AST2001 AST2002, and the Physics courses to go along with them.
God that was a lifetime age though (17 years).
Originally posted by YouCanCallMeKM
Alright, not to get all technical and stuff. Obviously the position of the starts related to other stars wont change. But the persons perspective of it will. They will be in the same position, you will just be looking at it from a different angle. Sorry for not phrasing my sentence properly. And just so you know, we have two hemispheres. Northern and southern. There isn't a place on earth where you can stand and see the whole entire sky.Doesn't matter how high you are, you cant. there will always be a horizon because by now I'm sure you know that the earth is round, not flat.
I dont know when the last time you have been outside at night but let me tell you something. I was observing a line of stars at my friends house up the road. This line was going from top left, to bottom right. When I got home, which is a walk going down the road and a slight turn to the right, the stars were more in a horizontal formation. But obviously the stars didn't move, just the angle I was observing them from. My perspective changed.
Hope we can agree that its the perspective that changes. The angle of your observation.
[edit on 10-7-2010 by YouCanCallMeKM]