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Fact File


In the Fact File section we bring you a new collection of quick facts each week. (Click on the links below for more facts)
 

 

221/ The Earth's weighs 5,974,000,000,000,000,000,000 tonnes.

222/ Saturn's cloud covered moon Titan is covered with lakes of liquefied ethane natural gas.

223/ Uranus spins on its side as it orbits the Sun.

224/ Neptune's moon Triton has volcanoes erupting black soot.

225/ On a dark, clear night you can see 2,500 individual stars.

226/ The first reported nova - erupting star - was in China in 1300 BC.

227/ Amateur astronomers have discovered over 130 supernovas.

228/ An exploding supernova can outshine an entire galaxy of stars.

229/ A black hole with the same mass as the Sun is only six miles across.

230/ The centre of our Galaxy contains a giant black hole, weighing as much as 2.5 million of our Suns.

231/ A typical interstellar gas cloud contains enough alcohol to fill the Earth!

232/ Radiation from the Big Bang was first detected in 1964 in Bell Telephone Labs in New Jersey.

233/ Over 90 per cent of the Universe consists of invisible 'dark matter'.

234/ The Universe has no edge - and no centre.

235/ In 1998 it was discovered that the Universe is accelerating: Its expansion is getting faster and faster.

236/ The world's biggest telescopes - Keck 1 and Keck 2 - each have a mirror half the size of a tennis court.

237/ Gamma ray bursts - mysterious explosions at the edge of the Universe - were first detected in 1969 by military satellites monitoring the Test Ban Treaty.

238/ In 1926, Robert Goddard's first rocket reached a height of 40 feet.

239/ The first radio message transmitted through space pre-dated satellites. The US Navy radioed Washington to Hawaii in 1954 by bouncing a signal off the Moon.

240/ Clocks aboard the GPS navigation satellites are accurate to one second in 300,000 years.

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