Comments for en-gb 30 Sat 28 Feb 2015 16:16:27 GMT+1 A feed of user comments from the page found at Martin FeedItWHisky - I'm afraid your friend is right. On a clear night if you sit outside and look up at the sky you will sometimes see a small point of light moving steadily acrosss the sky - this is usually a satellite. The International Space Station is particularly easy to see as it is so big. This website will help: Sun 31 Oct 2010 06:53:58 GMT+1 Ive_got_a_pet_snail A friend of mine once told me that you can see some satellites whizzing around in space with the naked eye.I dis-agree but then im not an expert.It would be nice to tell him he's wrong though! Can anyone help? Mon 25 Oct 2010 13:05:39 GMT+1 Hugh Morley Phil - rockets generally burn liquid hydrogen. If they burned fossil fuels they'd be even more inefficient than they already are. Of course, it takes a lot of energy, and results in a lot of greenhouse gases and environmental damage, to assemble a rocket - heavy machinery, mining the materials, extracting hydrogen, often incorporating precious metals and rare earths, but a rocket launch isn't a major impact on the environment itself. Sun 26 Sep 2010 19:47:22 GMT+1 Phil It would be interesting to find out how much carbon is added to the atmosphere by 1,220 rockets. Mon 20 Sep 2010 08:02:44 GMT+1 Liam Comment junk. :P Thu 09 Sep 2010 13:09:32 GMT+1 Mr Woof space junk Wed 08 Sep 2010 19:00:35 GMT+1