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  • ...han 200 years, originate in the Kuiper Belt. Halley's Comet, which returns about once every 76 years, is a short period comet. Halley's Comet which returns about every 76 years is a short period comet from the Kuiper Belt
    15 KB (2,387 words) - 03:17, 24 July 2014
  • <center>'''You know about ZODIAC CONSTELLATIONS'''</center> ...Iraq thousands of years ago, precession has shifted the constellations by about a month. So the constellation you were born under is probably the sign for
    10 KB (1,676 words) - 23:34, 7 January 2012
  • '''Small stars''', up to about 1.4 solar masses, collapse to become '''white dwarfs''' while quietly sendi ...nly enough of the star remains to form a neutron star ... but if more than about 2 times the mass of the Sun remains after the explosion, it collapses to be
    17 KB (2,924 words) - 00:04, 28 February 2012
  • ...cist-explains-why-parallel-universes-may-exist Interview with Brian Greene about Fabric of the Cosmos] Delightful reading about A Short History of Nearly Everything, a Book by Bill Bryson]
    4 KB (604 words) - 04:06, 12 August 2017
  • ...:// About the Video Room]
    3 KB (443 words) - 17:22, 30 March 2017
  • Now we see how integers are stored in memory, what about floating point? Fortunately, we rarely need to know the details, except th ...anged in place, and Python manages memory so that you do not have to think about that. While it seems that the objects are "in" the list, actually the list
    25 KB (4,166 words) - 21:48, 17 January 2017
  • ...n the data set, taken on the night of October 5, 2010, at about 15:50 UTC (about 1:50 AM) by Dr. Rhodes Hart. Each one is a 30 second exposure -- short by The Tarantula Nebula is about 170,000 light years away, in another galaxy. It's as far as our telescopes
    17 KB (3,096 words) - 02:12, 3 October 2015
  • ...s. Earth goes around the Sun twice as fast as Mars, lapping the Red Planet about every two years. Both planets have elliptical orbits, so their close encoun ''3. When is the next opposition of Mars, and about how many days are there from one opposition to the next?''
    15 KB (2,643 words) - 03:34, 23 October 2013
  • ...ittle ellipse in the sky about 1/1.3 arcseconds in semimajor axis, that is about 2/1.3 arcseconds across. As you will see soon, this is a very very small an exactly the measured brightness at each pixel in the image, information about how the image was recorded, and a calibration that converts the position in
    13 KB (2,346 words) - 07:38, 17 November 2015
  • about the origin of its unusual 5000 light year long jet of electrons.</center> ...the constellation Eridanus. It is over 100,000 light years across, and is about the same size as the Milky Way. It is unusual in that while it is a classic
    23 KB (3,692 words) - 07:56, 27 March 2012
  • ...r instance, to send a satellite beyond Earth we have to give it a speed of about 11 km/s. To escape the solar system from Earth's orbit takes 42 km/s, but t ...Take all the mass of the Sun, put it inside a sphere just 3 km in radius (about 2 milies), and it would be a black hole.
    14 KB (2,446 words) - 17:56, 2 April 2012
  • ...those planets. The images of Saturn returned by the Cassini satellite take about 1 hour and 23 minutes to travel 1,300,000,000 kilometers to reach us. or about 150 million km, 93 million miles, 8.3 light minutes.
    19 KB (3,164 words) - 04:18, 6 March 2012
  • First, there are a few things you need to know about using Stellarium. You might look at the Stellarium [http://www.stellarium. ...he sky as it is now, and you may run the clock forward or set the time for about an hour after sunset to see the night sky for the current season. In this
    19 KB (3,198 words) - 04:22, 12 August 2017
  • # Print information about the image ...with 16 integer data bits per pixel. The other entries provide information about the image data. Therefore in dealing with FITS data we may need to change
    29 KB (4,713 words) - 19:49, 16 July 2017
  • ...rtently use. Remember that once the projectors are powered down, there is about a 15 minute delay before you can power them up again. ...or a techinician unless you have been taught how to do it. It also takes about 45 minutes, so in this state the system probably cannot be restored for stu
    10 KB (1,766 words) - 04:55, 18 September 2013
  • ...there are over 100 million rods and 6.5 million cones in a typical retina, about 100,000 per mm2. The telescope is 8 inches (about 20 centimeters) in diameter. In perfectly still air under
    22 KB (4,196 words) - 08:13, 30 January 2013
  • ...nearest Earth. Since Earth orbits the Sun once a year, and Mars orbits in about 1.88 earth years (687 days), Mars and Earth are near one another only once Also, a Martian day is about 24 1/2 hours, and the planet's axis tilts 25° compared to Earth's 23° til
    15 KB (2,437 words) - 23:08, 23 July 2014
  • ...the supernova in M101 that in 25 days the supernova drops in brightness by about 1.5 magnitudes. Although we did not capture this one at its maximum, we
    10 KB (1,666 words) - 02:46, 4 October 2015
  • First, there are a few things you need to know about using Stellarium. You might look at the Stellarium [http://www.stellarium. .... Set your location in the software, and check that sunset occurs at about the right time.
    13 KB (2,242 words) - 19:34, 2 September 2013
  • ...ded to 0.534 seconds of arc, and most of the light is within two pixels or about 1 second of arc. That is typical of a ground-based large telescope unless i ...what the reference time was though if you are interested you can read more about "unix time" here. You can convert this number to a date and time you are u
    20 KB (3,476 words) - 05:51, 12 November 2016

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