Starry Critters

Praying Mantis in the Cloud

by CritterKeeper on Jan.08, 2010, under Bugs, birds and other animals

Credit: NASA and The Hub­ble Her­itage Team (STScI/AURA)

The dark sil­hou­ette of a man­tis stands out in this cloud of glow­ing gas. NASA’s Hub­ble Space Tele­scope reveals details inside the star-producing neb­ula N81 in the Small Mag­el­lanic Cloud.

Explore the image and find the two bright stars in the mid­dle of the neb­ula. These two mas­sive and bright stars are just a cou­ple of a large num­ber of stars being formed in this cloud. Some of the stars in this neb­ula are very bright; equal to about 300,000 stars like our Sun. The bright stars send out strong solar winds that drive dust and gas away. The stars also send out a blis­ter­ing amount of ultra­vi­o­let radi­a­tion caus­ing the neb­ula to glow.

N81 is a stel­lar nurs­ery. Knots in the neb­ula, like those seen in the fore­ground, col­lapse under grav­ity. When enough mate­r­ial comes together, fusion may start and a star is born. Nuclear fusion is what pow­ers stars and occurs when two hydro­gen atoms smash together to form helium. Mas­sive amounts of energy are cre­ated dur­ing this process giv­ing a star light and heat. N81 and other clus­ters within the Small Mag­el­lanic Cloud offer sci­en­tists close-up views of how stars form.

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