Victor Ticas

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APOD: Cometary Globules (2013 Oct 12) Image Credit & Copyright: Subaru Telescope (NAOJ) & DSS; Assembly and Processing: Robert Gendler http://apod.nasa.gov/apod/ap131012.html Explanation: Bright-rimmed, flowing shapes gather near the center of this rich starfield toward the boarders of the nautical southern constellations Pupis and Vela. Composed of interstellar gas and dust, the grouping of light-year sized cometary globules is about 1300 light-years distant. Energetic ultraviolet light from nearby hot stars has molded the globules and ionized their bright rims. The globules also stream away from the Vela supernova remnant which may have influenced their swept-back shapes. Within them, cores of cold gas and dust are likely collapsing to form low mass stars, whose formation will ultimately cause the globules to disperse. In fact, cometary globule CG30 (upper right in the group) sports a small reddish glow near its head, a telltale sign of energetic jets from a star in the early stages of formation. http://www.robgendlerastropics.com/ http://www.naoj.org/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=131012 #APOD

Astronomers Find Evidence Of A Rocky Exoplanet That's 26 Percent Water

Its fate is a glimpse into Earth's own future.<p>Hello? Is it you I'm looking for? Astronomers have found evidence of a small, rocky planet or asteroid whose mass is up to 26 percent water. Even Earth is only 0.023 percent water, by mass. This is the first time a rocky body with water has been found …

WIRED Space Photo of the Day 2013

PhysicsWhy Do You Feel Lighter at the Top of a Ferris Wheel?<p>Author: Rhett AllainRhett Allain<p>EcologyHow Plastic Straws Slip Through the Cracks of …

How Water Purity Affects the Formation of Icicles

Scientists know surprisingly little about how icicles form, experimental physicist Stephen Morris told the Canadian Press.<p>Morris said it may seem a …

University of Toronto

Research provides new insight into how the Earth's core was formed

"A complex, multi-stage process."<p>Scientists have long puzzled over just how the core of our planet was formed, and new research out of Stanford University suggests that it could have been a long and complicated process. The research shows that the core could have been formed through a process …