Category: Numbers/Letters

Xs, Boomerangs and Butterflies

Credit: NASA & ESA

The wings of gas and dust of the Boomerang Neb­ula blos­som into the let­ter X. NASA’s Hub­ble Space Tele­scope took this image of twin reflect­ing clouds of gas and dust being ejected from this star. Astronomers call these bi-polar neb­u­lae, but­ter­fly neb­u­lae or bow-tie neb­u­lae. Sci­en­tists aren’t sure why the mate­r­ial from the star is being ejected in this way. Per­haps denser mate­r­ial across the star’s mid­dle is forc­ing the star to eject gas and dust at the star’s poles. Or, maybe mag­netic fields are fun­nel­ing mate­r­ial toward the poles.

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Swirling W

Credit: NASA and the Hub­ble Her­itage Team (STScI)

Loop­ing arcs of stars and dust cre­ate a cos­mic let­ter “W” caught in the mid­dle of this galac­tic encounter.

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Disturbed “V”

Credit: NASA, ESA, the Hub­ble Her­itage (STScI/AURA)-ESA/Hubble Col­lab­o­ra­tion, and A. Evans (Uni­ver­sity of Vir­ginia, Charlottesville/NRAO/Stony Brook University)

Galax­ies col­lide to form this highly dis­turbed “V” in this NASA Hub­ble Space Tele­scope image of inter­act­ing galaxy IC 883.

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Gravitational “U”

Credit: NASA, ESA, R. Gavazzi and T. Treu (Uni­ver­sity of Cal­i­for­nia, Santa Bar­bara), and the SLACS team

The great grav­ity of an ellip­ti­cal galaxy warps the light of two other galax­ies to form a “U” in this image of a grav­i­ta­tional lens by NASA’s Hub­ble Space Tele­scope.

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Polar Ring “t”

The Hub­ble Her­itage Team (AURA/STScI/NASA)

An extra­or­di­nary polar ring “t” shows the bizarre vari­ety of inter­act­ing galax­ies in this NASA Hub­ble Space Tele­scope image of NGC 4650A.

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Welcome

The ancient peo­ples saw pic­tures in the sky. From those pat­terns in the heav­ens, ancient sto­ry­tellers cre­ated leg­ends about heroes, maid­ens, drag­ons, bears, cen­taurs, dogs and myth­i­cal crea­tures…
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