Showing posts with label event horizon. Show all posts
Showing posts with label event horizon. Show all posts

Saturday, July 30, 2016

A special cosmic phenomenon will happen in August.The Event Will Be seen from anywhere in the world, with the naked eye.






















In case you missed alignment of the planets Mercury, Venus, Mars, Jupiter and Saturn earlier this year, you'll have the opportunity to be witnessing a similar event to be held in August. The same five planets will be visible after sunset and before sunrise is not, as has been the case with previous phenomenon.

According to researcher Dr. Alan Duffy (Swinburne University in Melbourne, Australia), planetary alignment can be best seen in August 21.

The astronomical phenomenon can be observed most clearly after sunset, at which Mercury and Venus will be at the smallest distance from the solar orb. For example, Venus will be positioned at a time, at an angle of only 10 degrees from the sun.

Venus and Jupiter will be most easily seen with the naked eye, since they are some of the largest cosmic objects in the Solar System. Mercury, Mars and Saturn will be also sighted in the sky, but they will be less visible.

The alignment of Mercury, Venus, Jupiter, Mars and Saturn can be seen from any place on Earth, and if you miss and this event will have the opportunity to witness one similar to what will occur in October 2018





Source: iflscience.com

Thursday, June 23, 2016

What exists inside a black hole. '' They are more beautiful and more complex than what was previously thought '























(Foto:blastr.com)

The theory is based on the use of known properties of the invariant



American physicists have come up with a new method by means of which might find out what is beyond the horizon of a black hole's event. Thus, scientists will be able to make a clearer picture of the internal structure of these mysterious cosmic objects.

Scientists say that studying black holes is like doing science in reverse. Normally, when observed fenonomen again, he is analyzed, explained and classified using a theory, most likely with the help of mathematical calculations. When it comes to exploring black holes, astronomers must first come up with hypotheses, carry out mathematical calculations and only then realize how they can see what they think is there.

A team of researchers from Johns Hopkins University and Towson argues that, in the process mentioned above, there is a problem namely physicists built their assumptions about how black holes are structured solely on compliance of certain mathematical coordinates. This explains the fact that, over time, astronomers have obtained different results on the internal structure of black holes, because they chose different sets of coordinates.



The research team led by physicist Kielan Wilcomb (Towson University), believes that in order to realize what is inside a black hole, we should focus the attention on analyzing properties ,, known as invariant ". experts say they will solve the problem of mathematical calculations made differently because they have the same value, regardless of the chosen coordinates.



This week, as part of the 228-meeting of the American Astronomical Society, in San Diego, Kielan Wilcomb noted that, until now, were discovered 17 invariants in the curvature of space-time, and they could study inside black holes. However, because of certain mathematical relationships between these properties, only five of which are independent safety.



Scientists find a new way to see inside black holes photo: Phys.org



Physicists have published their results on the website arXiv.org, because other colleagues of theirs can use the five invariants to try to reconstruct the inner structure of a hypothetical black holes. Until their results to be verified by experts, specialists tried to find out on your own what you can find inside a cosmic object astlfe: ,, I calculated all invariants independent black holes and discovered that within them lies areas more beautiful and more complex than what was previously thought, "said Wilcomb the American Astronomical Society meeting.