lighthouse solar
Tuesday, June 8th, 2010 |
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lighthouse solar
Homework help with astronomy please! EASY 10 pts
In the lighthouse model _______
pulsars are beacons for interstellar navigation
pulsar have the magnetic and the rotation axes along the same line.
every time a beam of radiation sweeps the Earth a pulse is detected.
pulsars are pulsating dying stars.
Neutron stars are supported against the gravitational pull by degenerate_________.
photons
protons
neutrinos
electrons
neutrons
What is the radius of the event horizon of a 40 solar mass black hole?
120 km
40 km
12 000 km
40 000 km
You know why most people here doesn't want to help you? Well, it's not that they don't want to really help you, they just don't want to give you their permission to be lazy.
"Harvest not what you didn't sow and nurture."
Cheers!