The total number of exoplanets in the milky Way galaxy has over 100 billion. Exoplanet is a planet located outside our solar system. Currently, the scientists opened only a small proportion of them. About 10 of the most incredible planets in this post.
The darkest exoplanet – a distant, Jupiter-sized gas giant called TrES-2b.
The measurements showed that the planet TrES-2b reflects less than one percent of light, making it blacker than coal and darker naturally any of the planets of the solar system. Work on this planet, was published in the journal of the Royal Astronomical Society Monthly Notices. Planet TrES-2b reflects less light than black acrylic paint, so this is truly a dark world.
The largest planet ever found in the Universe is TrES-4. It was discovered in 2006 and it is located in the constellation Hercules. The planet is called TrES-4 orbits the star, which is at a distance of about 1,400 light years from planet Earth.
Researchers claim that the detected diameter of the planet by almost 2 times (actually 1.7) larger than the diameter of Jupiter (the largest planet of the Solar system). The temperature of TrES-4 1260 degrees Celsius.
A year on COROT-7b takes just over 20 hours. It is not surprising that the weather in this world, to put it mildly, exotic. Continue reading
David Levi: a Guide to the starry sky
Comets, the “tailed stars”. From time to time in the starry sky appear of the comet, which got its name from the Greek word “kometes” “tailed”. Often, the comet took over some otherworldly forces and beings, in the Christian era, they attributed divine the meaning and was considered God’s messengers – angels. The Slavs we, the Germans existed beliefs – seeing a shooting star to pray, convinced that any desire expressed at the short time, while star rolling, will come true. Comet was brought in to the stars also called tailed stars or sirkali with a broom, the Germans schweifstern, haarstern (hairy star) and pfauenschwanz (peacock tail) ; Lithuanian songs mention the comet, as old men with long beards, whose appearance portends something extraordinary. Thus, on the basis of different similes light strip cast by the nucleus of the comet, the language gives it a tail, a broom or a beard. Rare comets made him unusual for people to connect with these tailed stars the idea of divine predvidenie of future troubles for their sins and the mortal call to repentance. Interesting review, made by Patriarch Nikon in-out, in 1664 at the monastery of the resurrection. Sitting at night in the sleigh, he began to atrasti the dust from your feet, remembering prominent Evangelical words: “the IDA also if you do not accept, basedfrom the hail and the dust stuck to your feet, shake off as a testimony against nya”. Streltsy Colonel, dressed escort of Nikon, said: we are the ashes we’ll sweep! – Let razmyat the Lord God you trade only a divine broom, who is on many days! – objected Nikon, pointing to the burning in the sky the comet. Humboldt in his “Cosmos” points to the poetic view, which in ancient times was connected with the comets: they saw shaggy stars and flaming swords.
Comets have the appearance of a small hazy spot with a light tail, and sometimes even several. Inside misty spot, called the head of the comet, sometimes shows a relatively bright nucleus, like a star. In fact the nucleus of the comet is a big lump of frozen gases, within which solid particles and a variety of sizes, from fine dust to large rocky masses. Continue reading
Hello dear readers! In this post we will talk about the structure of the Solar system. I think you just need to know where in the Universe is our planet, and what else is in our Solar system besides planets.
Our planet Earth is part of the system of planets and other celestial bodies that rotate around a star called the Sun. The solar system is one of many such systems in the Universe .
The solar system is a system of cosmic bodies, which in addition to the Central luminary – the Sun, nine major planets, their satellites, the numerous small planets, comets, space dust and small meteoroids that move in the field pre-emption gravitational action of the Sun.
In the middle of the sixteenth century was uncovered the General structure of the Solar system Polish astronomer Nicholas Copernicus. He disproved the idea that the Earth is the center of the Universe and substantiate the presentation of the motion of planets around the Sun. This model of the Solar system was called the heliocentric. Continue reading