NASA Wide-field Infrared Explorer reveals the color of Jovian Trojans - SlashGear [fornadablog.blogspot.com]
[fornadablog.blogspot.com], NASA Wide-field Infrared Explorer reveals the color of Jovian Trojans - SlashGear
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I can’t say that I’ve ever heard of the Jovian Trojans before. It sounds like some sort of high school football team, but the name actually refers to asteroids that circle the sun in the same orbit as Jupiter. Scientists have been studying these asteroids using data generated by NASA’s Wide-field Infrared Explorer or WISE.
The observations made using WISE are the first that have offered a detailed look at the color of the Trojans in the leading and trailing packs. The data determined that the Jovian Trojans are made up predominantly of dark, reddish rocks with a matte, non-reflective surface. The observations also allowed astronomers to confirm previous suspicions that the leading pack of Jovian Trojans was larger than the trailing pack.
The scientists are trying to determine more than simply what the asteroids look like, they want to know where the asteroids came from. WISE data shows that the asteroids are strikingly similar with no interlopers from other parts of the solar system. The Jovian Trojans also don’t resemble asteroids from the main asteroid belt between Mars and Jupiter.
The scientists say that the Jovian Trojans don’t resemble asteroids from the Kuiper belt family of objects near Pluto either. The first Jovian Trojan was discovered in February 22, 1906 by German astronomer named Max Wolf. This particular Trojan was called Achilles and is roughly 220 miles wide. The scientists are still unsure exactly how many asteroids are included in the two packs of Jovian Trojans, but they believe there are as many objects in the two packs as there are in the entirety of the main asteroid belt between Mars and Jupiter. The scientists have proposed future space mission to study the Jovian Trojans and gather data needed to determine how old they are and where the asteroids came from.
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Question by johnson4730: How is naturally sparkling water "naturally sparkling"? It seems odd that sparkling water just comes out of the groud naturally, I think they make it sparkly... Best answer for How is naturally sparkling water "naturally sparkling"?:
Answer by leasanders Answer by goode_times_die Answer by fuad Answer by Pontac
Sparkling refers to the "bubbly" effect that some waters have similar to club soda or carbonated waters. Tap and most bottled waters are "flat". So when you see "sparkling" it doesn't mean that the water is sparkly in color or appearance it means that there is a natural gas content that gives it a bit of a carbonated feel.
I think they clean up the water a bit.
BEYOUNG WATER
Water from undergroung springs sometimes has carbon dioxide disolved in it. Carbon dioxide makes the bubbles in fizzy soda and Champagne, thus such waters are naturally sparkling. The source for Perrier - the French sparkling water - is naturally sparkling, and their labels used to say so. However it was found that the fizz was lost in the extraction process and that Perrier artificially put it back in, so they had to change their claim on their label.
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