Related topics: comet

Earth is getting dustier, model suggests

(PhysOrg.com) -- If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills. The amount of dust in the Earth's atmosphere has doubled over the last century, according to a new study; ...

Stardust spacecraft may have found cosmic dust

(PhysOrg.com) -- The first specks of interstellar dust may have been found by NASA's Stardust spacecraft during its seven-year-long voyage. Interstellar dust is believed to form from gas ejected from stars, which condenses ...

Scientist uncovers relics of ancient cosmos

(PhysOrg.com) -- A University of Manchester scientist, working as part of an international team, has uncovered an unexpectedly rich trove of relicts from the ancient cosmos.

Largest Ring Around Saturn Discovered

(PhysOrg.com) -- NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings.

Rethinking Brownian motion with the 'Emperor's New Clothes'

In the classic fairy tale, "The Emperor's New Clothes," Hans Christian Andersen uses the eyes of a child to challenge conventional wisdom and help others to see more clearly. In similar fashion, researchers at the University ...

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