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How does the sun keep the outer planets orbits in check when they're so very far away from it? Surely it's influence is much much weaker at the fringes of the solar system?
Can someone please explain why, as the days lengthen after the winter solstice, the time of sunrise barely changes for the first two weeks whereas the time of sunset changes by about 13 minutes?...
why do modern day tanks and fighter jets cost so much money? i mean stupid money, like 4.5million per unit some at even more!? what bumps up the price tag?
Question: Which inhabited land mass is the first to witness the dawn of a new year and which is the last? I have managed to find that Pitt Island is the first anyone any idea as to which is the last.
Could anyone tell me what I should be looking for to make sure I buy a 'decent' telescope? My partner has always wanted one and it's his birthday in a few weeks time so I'd like to buy one.
I think social genetics may be a bit misleading but wasn't sure how else to phrase so as always, please bear with me... I was doing a sort of genology, family tree type thing today but looking at...
A teacher of mine once had a large cubical block of wood (10" x 10" x 10") with a notch -- four inches long and spanning its width -- cut into the top it. A hole had been drilled from the inside of...
What is the difference between intermolecular hydrogen bonding and intramolecular hydrogen bonding? Apart from the spelling difference of couse - doubt my chemistry teacher would accept that as an...