... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

These routines are meant to provide a mechanism to read the recursive, heirarchical data structure supported in Karma from open channels, in ASCII format. ... Read ASCII representation of a multi_array data structure. dsra_packet_desc . Read ASCII representation of a packet descriptor. dsra_element_desc . ... Read ASCII representation of a dimension descriptor. dsra_multi_data . ... This routine will read the ASCII representation of a multi_array data structure descriptor from a channel object. ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

... A wrapped Java array accessed from within JavaScript code is a member of the type JavaArray . Core object . ... JavaScript 1.1, NES 2.0 Any Java method which returns an array. ... Use zero-based indexes to access the elements in a JavaArray object, just as you do to access elements in an array in Java. ... Method . ... In this example, the JavaArray byteArray is created by the java.lang.String.getBytes method, which returns an array. var javaString = new java.lang.String("Hello world!"); . ...

... Note that the size of the returned array may be greater than the number of slices currently in the stack, with unused elements set to null. public int getSize () . Returns the number of slices in this stack. public java.lang.String[] getSliceLabels () . ... Returns null if the stack is empty or the label of the first slice is null. public java.lang.String getSliceLabel (int n) . ... Returns null if the slice does not have a label. public void setSliceLabel (java.lang.String label, int n) . ...

... Classes . ... gTime Class Reference . This class implements time calculations. ... gTime (double ai_jDays=0) . ... gTime (const gTime &timeSrc) . ... Set the time value of the time object to the julian day of year, day. ... operator= (const gTime &timeSrc) . ... Returns the time GMT value in Julian days. ... Returns the time_t value of the gTime Object. ... Returns a gTime object setted with the actual machine time. ... gTime Object assigned with real machine time. double gTime::getGmtTm . ...

... the start time of the next observation record, which is inaccurate # for the last exposure of an SU. if observation_window is not None : intersect_time = su_ info .get('scheduled_time').intersection(observation_window) if intersect_time: begin_time = str(intersect_time.starttime()) end_time = str(intersect_time.endtime()) else: begin_time = str(su_ info .get('scheduled_time').starttime()) end_time = str(su_ info .get('scheduled_time').endtime()) else: begin_time = str(su_ ...

Astronomy Picture of the Day . Venus Returns to the Evening Sky . ... For casual skygazers, this month marks Venus' return to the evening sky as the brilliant 'star' , shining low in the west-northwest shortly after sunset. ... On June 8, 2004 , Venus crossed the Sun's disk, the first transit of Venus since 1882. Late this week Venus shares the evening sky with the young crescent Moon, and will next transit the Sun on June 6, 2012 . ... June . ... Publications with keywords: Venus - sky . ...

... 2005 June 9 . Venus Returns to the Evening Sky . ... For casual skygazers, this month marks Venus' return to the evening sky as the brilliant 'star' , shining low in the west-northwest shortly after sunset. In the picture, astrophotographer and APOD translator Laurent Laveder notes that Venus is easily mistaken for a light atop a sailboat's tall mast, giving the otherwise stunning celestial beacon an unremarkable appearance. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

... Using sl_array . Array information . ... Inline::SLang . Doug's Home Page . ... Since the support for arrays in S-Lang and Perl do not match, the conversion of array values between the two languages is not entirely seemless, as shown in the examples below. ... The third option is to use a Perl Array_Type object to store the data; the Array_Type class is part of Inline::SLang and is as inefficient as using an array reference but does retain knowledge about the array size and type. ...

... Requires a handle to the object and the name of the attribute. units Returns a string describing the units of an attribute, given a handle to the object and the name of the attribute. label Returns the comment string of an attribute, given a handle to the object and the name of the attribute. setAttribute Sets the value of an attribute. In the case of a numeric attribute, requires the handle of the object, the name of the attribute, the value, the units and a comment. ...