T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

TABLE: The Constellations . ... The Hunting Dogs . ... But the stars that make up Orion lie at very different distances from the Sun. ... String . ... Tape or glue the string to the top of the cardboard so that the "star" will not move. ... Name of Star . ... Other Constellation Activities Given a star chart without constellation figures marked on it (whether real star charts or made-up star patterns), students can invent their own constellations, looking for patterns in the stars that appeal to them. ...

... Little Planet Shadowrise . ... Of course the little planet is planet Earth, and this nadir-to-zenith, around-the-horizon mosaic maps the view from a small airfield near the town of Intendente Alvear, La Pampa province, Argentina. ... If you climbed this magnificent tree, it looks like you could reach out and touch the North Celestial Pole at the center of all the star trail arcs. ... A Massive Star in NGC 6357 . ... Sh2 155: The Cave Nebula . ... Venus, Zodiacal Light, and the Galactic Center . ...

... One way (" polar coordinates ") uses the length r of the line OP from the origin to P (i. e. the distance of P distance to the origin) and the angle that line makes with the x-axis. ... Look again at the surveyor's telescope: the direction to which it points is completely specified by two angles--its azimuth f , the angle by which its base is rotated on a horizontal table-- and its elevation l (small Greek L), the angle by which it is lifted above the horizontal (if it looks down, l is negative). ...

Andromeda. It is easy to find this constellation. It lays to the east from Big square of Pegasus, which in the autumn evening is in the southern part of the sky. ... According to the Greek myth Andromeda is a daughter of Ethiopian tzar Cefeus given to the sea monster, but Perseus saved her. The remarkable objects in this constellation are: the galaxy M 31 (Andromeda nebula) and both her satellites M 32 and NGC 205. Diameter is about 120 thousand of the light years. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Monthly Sky Notes . ... This is Vega, the third brightest star in our sky (only Sirius and Arcturus are brighter). If you look a little more you will see two more bright stars, these are Deneb and Altair. ... Well, all three are brilliant white A class stars , to our eyes Vega is the brightest, next brightest is Altair and Deneb is the faintest. ... The stars of the Summer Triangle are easy to see and individually fascinating. ...

... If a triangle has sides of length ( a,b,c ), with sides ( a,b ) enclosing an angle of 90 degrees ("right angle"), then . ... A diagonal cut divides it into two right-angled triangles with short sides a and b , and the area of such a triangle is therefore (1/2) ab . Now look at the square on the left constructed out of four ( a,b,c ) triangles. ... As the drawing on the right shows, that area can be divided into 4 triangles like the ones before, plus a small square of side ( a-b ). ...

... 2013 October 16 . Three Galaxies in Draco . ... Explanation: This intriguing trio of galaxies is sometimes called the Draco Group, located in the northern constellation of (you guessed it) Draco . From left to right are edge-on spiral NGC 5981, elliptical galaxy NGC 5982, and face-on spiral NGC 5985 -- all within this single telescopic field of view spanning a little more than half the width of the full moon. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

LADY GAY There was a lady and a lady gay, Of children she had three, She sent them away to the North Countree To learn their grammaree They'd not been gone but a very short time, Scarcely three weeks and a day, When death, cruel death, came hasting along And stole those babes away. There is a King in Heaven," she cried "A King of third degree Send back, send back my three little pages, This night send them back to me." ... From "British Ballads and Folk Songs from the Joan Baez Songbook." ...

Signs Constellations Of The Zodiac . Articles | ... The band of the zodiac is some sixteen degrees wide, extending about eight degrees north and south of what's called the ecliptic -- the Sun's path through the stars. ... Since that time, the March equinox Sun has shifted about thirty degrees westward through the constellations of the zodiac. ... While signs neatly extend eight degrees north and south of the ecliptic, aligning with the borders of the zodiac, constellations do no such thing. ...

The HST images of GRB 990123. HST has observed this field in the 50CCD (open) filter on the 8 February 1999, 23 March 1999, and the 7 February 2000, or 16, 59 and 380 days after outburst. ... On the left in the above image is the February 1999 image of GRB 990123, on the right the difference between that image and the February 2000 image. ... On the left in the above image is the March 1999 image of GRB 990123, on the right the difference between that image and the February 2000 image. ... 1999). ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Three little planetaries . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...