Which planet has the longest day?

Today's topic is fascinating as it is devoted to the longest day on a planet or, better to say, which one has the longest day. We...

The Largest Galaxy in the Universe

There are approximately 200 billion galaxies in the Universe, and in this article we are going to introduce you the largest galaxy.  A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

Hubble telescope measured the quantity of interstellar dust in the nearest galaxies

Astrophysics learned to estimate quantity of an interstellar dust in galaxies on range of distribution of ultra-violet radiation from the ionized hydrogen. The study was done with information from Hubble telescope. During the research the scientists analyzed structure of 14 galaxies located in relative proximity from Earth. Astrophysics paid the main attention to distribution in radiation of a series of Lyman. This ultra-violet radiation results from hydrogen transition from unexcited condition. Atom transition from the lowest in the basic leads conditions to photon radiation with a length of wave of 121,6 nanometers. This length of a wave is called an alpha as the hydrogen line. Its important property is that such radiation before leaving limits of a galaxy and to reach the Earth is repeatedly reradiated. As a result, round galaxies in a range of the alpha line it is often possible to observe gala, radiated by interstellar gas.

How Long People Would Survive on Each Planet Without a Spacesuit!

We live in a beautiful place, where everything is colorful and bright. But have you ever thought about to move on another planet? Or have you thought about how long people would survive on each planet. We think, each of us has a dream to appear neighboring planet. So, we prepare for you a list, where is indicated how long people would survive on each planet without a spacesuit.

Potentially Hazardous Asteroids List 2022

There are millions of asteroids from which some of them is dangerous uniquely. A potentially hazardous object (PHO) is a near-Earth object with an orbit that has the potential to make exceptionally close approaches to the Earth. It is also of a size large enough to cause significant regional damage in the event of impact. Astronomers indicate that between 37,000 and 78,000 tons of solar system debris hit Earth each single year. Fortunately, they usually rain down in tiny pieces that burn up in the atmosphere. Now, we’d like to call you attention introducing top 10 dangerous asteroids.


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