The solar system is passing through an interstellar cloud with a strong magnetic field, according to a report in the Dec 24 issue of Nature. A team of scientists explain how NASA’s Voyager spacecraft was involved in the discovery.
“Using data from Voyager, we have discovered a strong magnetic field just outside the solar system,” says Merav Opher, a NASA Heliophysics expert from George Mason University. “This magnetic field holds the interstellar cloud together and solves the long-standing puzzle of how it can exist at all.”
Thursday 31 December 2009
Wednesday 23 December 2009
Monday 7 December 2009
Year ends with a Blue Moon
The second full moon to occur in a single calendar month is known as a Blue Moon - an event which takes place approximately once every two and half years.
This month has two full moons, on 2nd December and 31st December.
The Native Americans call this the Long Nights Moon, or Snow Moon.
This month has two full moons, on 2nd December and 31st December.
The Native Americans call this the Long Nights Moon, or Snow Moon.
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