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Eduardo Serra

Systems engineer with dreams of astronomy

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21 Will Saturn's rings become a moon? Jan 22 '14
19 Are there any alternative explanations for the gravitational force we attribute to dark matter? Dec 6 '13
19 Is it possible for a moon to orbit a planet floating free in the galaxy rather than orbiting a star Dec 23 '13
18 Why don't we see the galaxy center? Jan 4 '14
18 Our galaxy, the Milky Way, forms part of a galaxy group called The Local Group. What are the parameters that dictate what a galaxy group is? Dec 30 '13
14 How will the recent appearance of a supernova, the closest in 27 years, help reduce the uncertainties in our measurements of dark energy? Jan 23 '14
12 apparent size of an astronomical body Jan 10 '14
12 What is the fastest spinning rotation of a Neutron star? Jan 3 '14
12 Is there any telescope on Earth that can see the lunar rovers on the moon? Dec 10 '13
10 Why are galaxies disk shaped? Dec 12 '13
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