Search results
Results From The WOW.Com Content Network
Trivia questions for kids can be brain-bending fun for the whole family. Asking kids thought-provoking questions is a great way to engage their critical-thinking skills, according to Laura Linn ...
Some molecules are sensitive to the ratio of elements, and so indicate elemental composition of the star. [6] Different molecules are characteristic of different kinds of stars, and are used to classify them. [5] Because there can be numerous spectral lines of different strength, conditions at different depths in the star can be determined.
If that were true, then stars would start their lives as very hot "early-type" stars and then gradually cool down into "late-type" stars. This mechanism provided ages of the Sun that were much smaller than what is observed in the geologic record , and was rendered obsolete by the discovery that stars are powered by nuclear fusion . [ 71 ]
Stars less massive than 0.25 M ☉, called red dwarfs, are able to fuse nearly all of their mass while stars of about 1 M ☉ can only fuse about 10% of their mass. The combination of their slow fuel-consumption and relatively large usable fuel supply allows low mass stars to last about one trillion ( 10 × 10 12 ) years; the most extreme of 0. ...
Here are 85 brainteasers for kids — including math brainteasers and funny brainteasers — that will show them that learning can be lots of fun: 35 clever brainteasers for kids with answers What ...
A molecular cloud—sometimes called a stellar nursery if star formation is occurring within—is a type of interstellar cloud of which the density and size permit absorption nebulae, the formation of molecules (most commonly molecular hydrogen, H 2), and the formation of H II regions.
In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...
If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!