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About Us

Space wonder is the source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. We transport our visitors across the solar system and beyond through accessible, comprehensive coverage of the latest news and discoveries. For us, exploring space is as much about the journey as it is the destination. So from skywatching guides and stunning photos of the night sky to rocket launches and breaking news of robotic probes visiting other planets, at Space wonder  you'll find something amazing every day.

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Interstellar dust

Interstellar dust Only about 0.7 percent of the mass of the  interstellar space  is  within the  sort of  solid grains, but these grains have a profound effect on the physical conditions within the gas. Their main effect is  to soak up  stellar radiation; for photons unable to ionize hydrogen and for wavelengths outside absorption lines or bands, the dust grains are  far more  opaque than the gas. The dust absorption increases with photon energy, so long-wavelength radiation (radio and far-infrared) can penetrate dust freely, near-infrared  very well  , and ultraviolet relatively poorly. Dark, cold molecular clouds, within which all star formation takes place, owe their existence to dust. Besides absorbing starlight, the dust acts to heat the gas under some conditions (by ejecting electrons produced by the photoelectric effect, following the absorption of a stellar photon) and  to chill  the gas under other conditions ...
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"vacuum " what is it?

"vacuum " what is it?  Vacuum tube                                          Vacuum, space during which there's regardless of or during which the pressure is so low that any particles within the space don't affect any processes being carried on there. it's a condition well below normal air pressure and is measured in units of pressure (the pascal). Vacuum in space                             A vacuum are often created by removing air from an area employing a air pump or by reducing the pressure employing a fast flow of fluid, as in Bernoulli’s principle.
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"Proxima Centauri " the nearest star from us

The proxima centauri ..... proximal centaur I  The star Proxima isn’t visible to the attention , but it’s one among the foremost noted stars in Earth’s sky. That’s because it's considered to be a part of the Alpha Centauri star system, a triple system, and therefore the nearest star system to our sun. Of the three stars in Alpha Centauri , Proxima is assumed to be the one actually closest to our sun, at 4.22 light-years away. The image above – from the Hubble Space Telescope – is one among the simplest we’ve seen at showing Proxima clearly. proxima centauri  If it’s so nearby, why can’t we see Proxima with the eye? It’s because Proxima is so small. It’s a red dwarf star star with only about an eighth of the mass of the sun. Faint red Proxima – at only 3,100 degrees K (5,120 F) and 500 times less bright than our sun – is almost a fifth of a light-year from Alpha Centauri A and B. This great distance from the 2 primary stars within the system is what calls int...
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