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Moon and planets
The Moon is the most noticeable object in the night sky, and it is then no wonder that it has fascinated mankind since antiquity. If you observe it for several days, you will no doubt notice that its appearance changes: most of the time only part of it is illuminated, and this part seems to grow until it covers the whole moon (full moon) and then decrease until nothing is illuminated (new moon), and then grow again, in a cycle that repeats about every month.
One possible explanation that comes to mind is that the dark part we see on the Moon is the shadow that the Earth casts on it. But there are problems with this explanation. For one, if this were true, the Moon should be in its new phase when it at its farther from the Sun. We know when this happens, because then the Moon rises at the same time as the Sun sets; and we can observe that at this point the Moon is full, not new! Besides, if the Moon passes through the Earth's shadow every month, then when it is at the opposite side of its orbit it should get directly in between the Sun and the Earth, producing a solar eclipse much more often than it actually happens. No, this explanation cannot be the right one.
One possible explanation that comes to mind is that the dark part we see on the Moon is the shadow that the Earth casts on it. But there are problems with this explanation. For one, if this were true, the Moon should be in its new phase when it at its farther from the Sun. We know when this happens, because then the Moon rises at the same time as the Sun sets; and we can observe that at this point the Moon is full, not new! Besides, if the Moon passes through the Earth's shadow every month, then when it is at the opposite side of its orbit it should get directly in between the Sun and the Earth, producing a solar eclipse much more often than it actually happens. No, this explanation cannot be the right one.
Rhodium
Rhodium is a hard silvery white and durable metal that has a high reflectance. Rhodium metal does not normally form an oxide, even when heated. Oxygen is absorbed from the atmosphere at the melting point of rhodium, but on solidification the oxygen is released.[4]
Rhodium has both a higher melting point and lower density than platinum. It is not attacked by acids: it is completely insoluble in nitric acid and dissolves slightly in aqua regia.
Rhodium has both a higher melting point and lower density than platinum. It is not attacked by acids: it is completely insoluble in nitric acid and dissolves slightly in aqua regia.
PS3 update 2.53
PS3 Update 2.53 available to download today. Download PS3 Update 2.53 firmware for you Play Station 3. It always suggested to download the latest PS3 firmware update. Here is the list of PS3 2.53 update.
PS3 Update 2.53 Features
thanks to PlayStation Universe
PS3 Update 2.53 Features
thanks to PlayStation Universe
- Full-screen mode playability on PS3
- Live movie (using RTMP format) playability
- With this PS3 update 2.53, you will be able to browse internet with full screen mode.
- Download PS3 update now and get the latest PlayStation 3 update 2.53.
Popcorn Palace
What it does: Produces 27 flavors of gourmet popcorn and custom mail-order tins.
Why it's growing: Gift recipients often become buyers theselves; 90 percent retention rate for corporate accounts.
What's noteworthy: Original Popcorn Palace (an Inc. 500 honoree in 1988) went bankrupt; Heitmann bought the company's customer list and name but increased prices and switched emphasis to mail order and corporate gifts instead of retail stores.
Why it's growing: Gift recipients often become buyers theselves; 90 percent retention rate for corporate accounts.
What's noteworthy: Original Popcorn Palace (an Inc. 500 honoree in 1988) went bankrupt; Heitmann bought the company's customer list and name but increased prices and switched emphasis to mail order and corporate gifts instead of retail stores.
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