Posts Tagged ‘astronomy’

activity solar

By admin On November 15, 2009 NO COMMENTS

activity solar
Describe three or four different types of solar activity, and explain why it is that sunspots generally appear?


Also, explain why the sunspot cycle is sometimes referred to as the solar activity cycle.

Solar maximum is the term for the maximum in solar activity that takes place approximately every eleven years; solar minimum is the lowest point of solar activity. The last solar maximum was in 2001.
Solar events can interact and interfere with each other, creating a very complex system. Their frequency varies with time. The smaller flares tend to follow the eleven year cycle and peak at several tens of flares per day. The largest flares usually occur only a few times during solar maximum. Sunspots increase with solar maximum, and are relatively rare during solar quiet times. Coronal holes do not last as long during solar maximum.


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solar times

By admin On October 30, 2009 NO COMMENTS

solar times
Approximately how many times has the solar system orbited the center of the galaxy since the sun and planets w?


Approximately how many times has the solar system orbited the center of the galaxy since the sun and planets were formed?

Each orbit abound the galaxy takes about 20 to 25 million years, that comes to 20 to 25 orbits in the last 5 billion years.


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solar year

By admin On October 27, 2009 NO COMMENTS

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wo different ways to measure when a solar year has passed?


Suppose you live in a temperate climate, where most days are sunny.
You have no clocks.
Describe two different ways to measure when a solar year has passed.

Help!

Are you in Prof. Glymour’s class at CMU? I’m asking because we got that exact question as a hw assignment last week. One of my ways was to see what other star rises simultaneously (more or less) with the sun on the first day and then wait until the sun rises with that same star again. That period will be a year.
Here’s a website with some useful information.

http://homepage.mac.com/kvmagruder/bcp/zodiacal/sun.htm


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solar cycle 24 sunspots

By admin On October 21, 2009 NO COMMENTS

solar cycle 24 sunspots
solar cycle sunspots?


Solar cycle 24 has started and there have been a few sunspots from cycle 24 but recently there is another sunspot, 992 which belongs to cycle 23. How do they know which sunspot is from which cycle and why

A new solar cycle starts when the Sun’s magnetic field flips. The recent sunspots that have appeared have kind of thrown a kink in this though. (It just goes to show that we still have a lot to learn about the Sun).


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Solar Activity And Earth's Climate


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solar cycle history

By admin On October 16, 2009 NO COMMENTS

solar cycle history
In life everything is changing and stay, or are historic times that they lock in a cycle.?


In life everything is changing and stay, or are historic times that they lock in a cycle.

Changer in time are in eternal movement.?
Phenomenon of synchronicity: Everything in the Solar System.

Sol (+)> < ((-) Earth (+))> < (-) System Interestelar, beyond what it says mathematics: a neutral force between two opposing forces, at different temperatures, has different kinetic energy, capable of meeting infinitely in time that repeats the circle of genetics of the life cycle of Our History, alternating the genetics of the life cycle of Pre-History (repeatedly).

While I don’t have a clue about the meaning of most of your posting, I can say that, without doubt, history is not cyclic. Humans have a propensity to look for cycles when none exist. Since time is not reversible, nothing is really cyclic when you consider the universe as a whole.


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