2 days ago by webmaster

The disconnection event of comet 73P Schwassmann-Wachmann-3 as seen from the Hubble Space Telescope. (Credit: NASA/ESA/H. Weaver STScl.) Comets are cause all mass extinctions in Earth’s history, right? Maybe not, if new research is correct. Simulations run by the scientists at the University of Wash ...

AstroGuyz.com - astroguyz.com · 16 references

16 days ago by Editor

Question: 1) Why do comet’s tails always point away from the Sun? _______ A) because of radiation pressure. B) Because when they move away from the Sun they begin to lose inertia. C) Because the inner planets cause the ice and other volatile materials to be pulled towards their orbits. D) Because of ...

Medical Rag - medicalrag.com · 1 reference

18 days ago by V2

Computer simulations show a close encounter with a passing star about 4 billion years ago may have given our solar system its abrupt edge and put small, alien worlds into distant orbits around our sun. The study, which used a supercomputer at NASA’s Jet Propulsion Laboratory in Pasadena, Calif., was ...

Science Photo Essay - science.gallery.youngester.com · 1 reference

29 days ago by specialdee

Timeless questions about the big bang: Will they ever be answered? By Denise Scammon Interpreting the Big History – how stars and planets formed following the Big Bang, how life originated on our planet and how our solar system supports that life – gives me a greater appreciation of the complex inte ...

Life is what you make it - specialdee.wordpress.com · 16 references

37 days ago by Ian O'Neill

Triton, Neptune’s largest moon, hasn’t been studied in detail since Voyager 2 did a flyby in 1989. That was until a team headed by Will Grundy, a Lowell Observatory planetary scientist, did a 10-year study into the distribution of the moon’s ices. Soon to be published in the journal Icarus, the team ...

Astroengine.com - astroengine.com · Rank: 36,670 · 150 references

43 days ago by Citronella

Μια ερυθρά κηλίδα που εντοπίστηκε πρόσφατα παρουσιάζει μεγάλο ενδιαφέρον.Η κηλίδα βρίσκεται στον νάνο πλανήτη Haumea και φαίνεται ότι εχει μεγαλύτερη περιεκτικότητα σε οργανική ύλη από ό,τι η γύρω (παγωμένη) επιφάνεια.Ο πλανήτης βρίσκεται στην ζώνη Kuiper σε τροχιά γύρω από τον Ήλιο εξωτερική τού Πο ...

Lone Starr's Quest - spaceballz.blogspot.com · 11 references

54 days ago by Paul Sutherland

One of the newly discovered dwarf worlds that got Pluto kicked out of the major planets club is sporting a distinct spot, scientists have discovered. Icy plutoid Haumea has a red blotch that appears to be richer in minerals and organic materials than the surrounding surface. It could mark the locati ...

Skymania News | Space ... - news.skymania.com · Rank: 87,883 · 64 references

68 days ago by Mark

This is a post about planet earth which is the third planet from the Sun. Earth happens to be the fifth largest of the eight planets in the solar system, plus it is also the largest of the non-gas planets in the Solar System and that is in terms of diameter, mass and density. Planet earth is also kn ...

Virtual Tripping - virtualtripping.com · 4 references

69 days ago by Omar Fink

In 1950, Dutch astronomer Jan Oort (building on an idea originated by Ernst Opik) proposed that a hypothetical and massive cloud of comets that orbit far from the center of our solar system might explain why comets don’t seem to originate from deep space and often have an outer orbital edge about 20 ...

HackingTheUniverse - hackingtheuniverse.com · 1 reference

69 days ago by Omar Fink

Discovered in 1992, the Kuiper Belt is a large expanse of space just outside the edge of our solar system that contains a large number of small objects. This belt is similar to the asteroid belt, but is much larger, much farther away and may contain more frozen water and volatile gases than the meta ...

HackingTheUniverse - hackingtheuniverse.com · 1 reference