PLEASE NOTE:

MyNews24 is a user-generated section of News24.com. The stories here come from users.

 
Andy
 
Comments: 85
Article views: 1417
 
 
Latest Badges:


 
View all Andy's badges.
 

Was it designed? Our unique solar system.

26 February 2014, 15:08

Was it designed ? Our Unique Solar System

MANY factors combine to make our part of the universe unique. Our solar system is located between two of the Milky Way’s spiral arms in a region that has relatively few stars. Nearly all the stars that we can see at night are so far from us that they remain mere points of light when viewed through the largest telescopes. Is that how it should be?

If our solar system were close to the center of the Milky Way, we would suffer the harmful effects of being among a dense concentration of stars. Earth’s orbit, for example, would likely be perturbed, and that would dramatically affect human life. As it is, the solar system appears to have just the right position in the galaxy to avoid this and other dangers, such as overheating when passing through gas clouds and being exposed to exploding stars and other sources of deadly radiation.

The sun is an ideal type of star for our needs. It is steady burning, long-lived, and neither too large nor too hot. The vast majority of stars in our galaxy are much smaller than our sun and provide neither the right kind of light nor the right amount of heat to sustain life on an earthlike planet. In addition, most stars are gravitationally bound to one or more other stars and revolve around one another. Our sun, by contrast, is independent. It is unlikely that our solar system would remain stable if we had to contend with the gravitational force of two or more suns.

Another factor that makes our solar system unique is the location of the giant outer planets that have almost circular orbits and pose no gravitational threat to the inner terrestrial planets.* Instead, the outer planets fulfill the protective function of absorbing and deflecting dangerous objects. “Asteroids and comets hit us but not excessively so, thanks to the presence of giant gas planets such as Jupiter beyond us,” explain scientists Peter D. Ward and Donald Brownlee in their book Rare Earth—Why Complex Life Is Uncommon in the Universe. Other solar systems with giant planets have been discovered. But most of these giants have orbits that would endanger a smaller earthlike planet.

The Role of the Moon

From ancient times, our moon has filled mankind with wonder.One important way in which the moon affects life on earth is that its gravitational pull causes the ebb and flow of the tides. Tidal movements are thought to be fundamental to ocean currents, which, in turn, are vital for our weather patterns.

Another key purpose that our moon serves is that its gravitational force stabilizes earth’s axis with respect to earth’s plane of orbit around the sun. According to the scientific journal Nature, without the moon, the inclination of earth’s axis would wobble over long periods of time from “nearly 0 [degrees] to 85 [degrees].” Imagine if earth’s axis had no tilt! We would miss the delightful change of seasons and suffer from a shortage of rain. The earth’s tilt also prevents temperatures from becoming too extreme for us to survive. “We owe our present climate stability to an exceptional event: the presence of the Moon,” concludes astronomer Jacques Laskar. To fulfill its stabilizing role, our moon is large—relatively larger than the moons of the giant planets.

Yet another function of the earth’s natural satellite, as noted by the writer of the ancient Bible book of Genesis, is that the moon serves as a light by night.—Genesis 1:16.

Chance or Purpose?

How is one to explain the concurrence of multiple factors that make life on earth not only possible but also enjoyable? There appear to be only two alternatives. The first is that all these realities are the casual product of aimless chance. The second is that there is some intelligent purpose behind it. You decide.

(adapted from   w07 2/15 pp. 4-7)

Disclaimer: All articles and letters published on MyNews24 have been independently written by members of News24's community. The views of users published on News24 are therefore their own and do not necessarily represent the views of News24. News24 editors also reserve the right to edit or delete any and all comments received.

 

24.com publishes all comments posted on articles provided that they adhere to our Comments Policy. Should you wish to report a comment for editorial review, please do so by clicking the 'Report Comment' button to the right of each comment.

Comment on this story
85 comments
Comments have been closed for this article.

Read more from our Users

Submitted by
Taxis in SA: 'Crossing the street...

I filmed a taxi going through the red lights', 'Crossing the street has become a life threatening activity,' Wheels24 readers share their thoughts on mini-bus taxis. Read more...

0 comments 40 views
Submitted by
Graeme Long
The new battle lines of SA: Urban...

First it was British vs Boer, then black vs white, now it’s urban modernists vs rural African traditionalists.  Read more...

0 comments 1535 views
Submitted by
Sipho James Xesha
Initiation a sacred ritual

Speaking as umXhosa, the current (June) month is the season for orthodox spiritual orientation of the young Xhosa male. No other point in the celestial calendar marks this auspicious socio-spiritual occasion but this one. Read more...

0 comments 195 views
Submitted by
Khaya Tyatya
Transformation is an integral par...

The MTT would have failed in its task if it does not come up with a clearly articulated, practical and “unapologetic” human resource development plan that will fundamentally transform the university system in the next five years and beyond. Read more...

0 comments 272 views
Submitted by
Sane Sunyshine Sihiya
Mmusi Maimane: Do you have power?

I judged you. I felt, you were being silly! Cheese boy vibes. Those educated sounding blacks who speak English very well and sound absolutely smart at the expense of trading in their identity. Read more...

0 comments 288 views
Submitted by
Budiriro Peter Moyo
Hunting for radical economic tran...

It is one of the most famous statement of our current time in South Africa right now - Radical Economic Transformation (RET). Yet elusive to those that seek it. A political gimmick? What does it mean? Read more...

0 comments 176 views
 

services

E-mail Alerts The latest headlines in your inbox

RSS feeds News delivered really simply.

Mobile News24 on your mobile or PDA

E-mail Newsletters You choose what you want

News24 on Android Get the latest from News24 on your Android device.

SMS Alerts Get breaking news stories via SMS.

TV Get us in your home, on your television.

 
Interactive Advertising Bureau
 
© 2017 24.com. All rights reserved.
There are new stories on the homepage. Click here to see them.
 
English
Afrikaans
isiZulu

Hello 

Create Profile

Creating your profile will enable you to submit photos and stories to get published on News24.


Please provide a username for your profile page:

This username must be unique, cannot be edited and will be used in the URL to your profile page across the entire 24.com network.

Settings

Location Settings

News24 allows you to edit the display of certain components based on a location. If you wish to personalise the page based on your preferences, please select a location for each component and click "Submit" in order for the changes to take affect.




Facebook Sign-In

Hi News addict,

Join the News24 Community to be involved in breaking the news.

Log in with Facebook to comment and personalise news, weather and listings.