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Senin, 20 Maret 2017



“…during totality on August 21, 2017although it will be close to middayyou’ll easily be able to see 4 planets with the unaided eye near the eclipsed sun!
In order of brightness, these planets will be Venus, Jupiter, Mars and Mercury. Mars is slightly brighter than Mercury, but so nearly the same in brightness that you probably won’t notice a difference.”( Eddie Irizarry, See 4 planets during 2017 solar eclipse,

    At the 2017 solar eclipse, Monday, August 21, in USA, the bright star Regulus make a thrilling sight shinning near the Sun’s corona, this event is the best chance to test or re-examine Einstein’s general theory of relativity.
    As we know, at his theory of general relativity, Einstein declared a new law on gravity, stating that gravity was not a force as commonly known at the Newton’s gravity theory, but a part of inertia. His gravity law illustrated the object behaviour at the gravity field, for instance the planets, not in the sense of ‘the attracting forcer’ but only in the sense of the crossing track being taken.
    For Einstein, gravity is a part of inertia. The movement of stars and planets originates from their inertia derivation, and the crossing track taken is determined by the space metrical nature, or more precisely the continuous space-time.
    Einstein concluded that the light just as other material objects, moved in curve if gravity field of an object was massive. Einstein suggested that his hypothesis could be tested to observe the crossing track of the star light at gravity field of the sun. Due to the fact that the stars are not visible at day time, there is only one chance when the sun and the stars can be seen together at the sky, and that is the time when there is a solar eclipse.
    Special phenomena of 2017 solar eclipse, that we will easily be able to see 4 planets, and the bright star Regulus make a thrilling sight shinning near the Sun’s corona.
    Apparent position of the star Regulus during total solar eclipse meet the conditions in accordance with Einstein hypothesis
     According to Einstein’s hypothesis, the star light visible around the sun would be bent inwards, toward the sun at the time when passing through the gravity field of the sun. Einstein calculated the level of their deviation and predicted that for the stars observed being the closest to the Sun, their deviation was about 1.75 seconds of an arc.

Test of general relativity
     In this test, we use terminology  "deflection of light by the Sun" as Einstein's idea on general relativity, and Einstein proposed test via eclipse. In this book, "tests" is made by using astronomical data that has been predicted at the 2017 total solar eclipse, in USA, August 21.
As explained in previous discussion, there are three steps to test general relativity using astronomical method: determine the place of observation, measuring the apparent altitude of star  using the sextant, and apply data to find  the deviation of starlight  in the Nautical Almanac.of 2017.
    To get the most accurate results, the test should be carried out at the locations of a total eclipse, in this case in the USA, on August 21, 2017.   
    According to Earthsky Website, any location along the path of totality from Oregon to South Carolina can enjoy good weather on eclipse day, but the western half of the United States, especially from the Willamette Valley of Oregon to the Nebraska Sandhills, will enjoy the very best weather odds. Therefore, the best place of direct observation to test general relativity is in Oregon, sea waters near the Oregon coast or on the beach of Madras.
    In this case, the measurement using a sextant. The sextant allows us to very accurately measure the apparent altitude of stars, it’s because there are  visible horizon from the sea or beach.  According to Earthsky Website, totality begins at 10:19 a.m, and duration of totality is 2 minutes, 4 seconds.

Prediction at 2017 total solar eclipse.
   In this book,  prediction is made based on astronomical data from NASA Eclipse Website, the Astroadventure Website, and Earthsky Website.

Read more in Your Kindle Device:

Kindle eBook-Amazon.Co.UK

    Einstein’s prediction or according to general relativity, the deviation of Regulus, as the star observed being the closest to the Sun,  was about 1,75 sec. arc.  But we get results as prediction at 2017 eclipse is about 236 sec.arc. It is more than 100 times greater than Einstein’s prediction. 


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