Table of Contents
What does the Reticulum constellation represent?
The French astronomer Nicolas Louis de Lacaille formed this constellation in 1754. It represents the reticle, a device consisting of a network of silk threads placed in a telescope’s eyepiece and used to measure positions of celestial objects.
Where is the Reticulum constellation?
southern hemisphere
The constellation Reticulum, the reticle, is located in the southern hemisphere of the sky. It is completely visible at latitudes south of 23 degrees north from October through December. It is best seen in northern latitudes in January. It is a very small constellation filling an area of only 114 square degrees.
Who discovered Reticulum constellation?
The constellation was introduced in 1621 by the German astronomer Isaac Habrecht II, who originally named it Rhombus. Nicolas Louis de Lacaille changed its name to Reticulum in the 18th century.
What are the 4 star constellations?
The Great Square consists of four stars of nearly equal brightness. They are Scheat, Alpheratz, Markab and Algenib. The constellation Pegasus represents a Flying Horse. But the Great Square – a prominent asterism within Pegasus – is a landmark of the Northern Hemisphere’s autumn sky.
Where is Earth vs Zeta reticuli?
Based upon parallax measurements, this system is located at a distance of about 39.3 light-years (12 parsecs) from Earth.
How long would it take to travel 39 light-years?
According to NASA, it is currently speeding away at 38,200 mph. For Voyager 1 to travel 39 light-years, it would take the spacecraft 685,000 years.
What is the owl constellation?
Noctua (Latin: owl) was a constellation near the tail of Hydra in the southern celestial hemisphere, but is no longer recognized. It was introduced by Alexander Jamieson in his 1822 work, A Celestial Atlas, and appeared in a derived collection of illustrated cards, Urania’s Mirror.
What Constellation is Reticulum constellation?
Reticulum Constellation in the southern sky borders the constellations Dorado, Horologium and Hydrus. It represents the reticle, a net of cross-hairs at the focus of a telescope eyepiece used to measure star positions. Reticulum Constellation spans 27 degrees of the zodiac within Pisces Constellation, from 24° Pisces Sign to 21° Aries Sign.
How many stars are in reticulum?
Reticulum is the 82nd largest in terms of size in the night sky. The constellation name means The Net . It was not one of the original constellations that had been devised by Ptolemy, instead it was created by Abbé Nicolas Louis de Lacaille years later. There are 5 stars that make up the main constellation.
What is the brightest star in the constellation Alpha Reticuli?
Alpha Reticuli is the brightest star in the constellation. It has an apparent magnitude of 3.315 and is 161.6 light years distant from the solar system. The star has more than three times the mass of the Sun and almost 13 times the solar radius. It is approximately 240 times more luminous than the Sun.
What is a reticulum on a telescope?
Reticulum represents the small net at the focus of an eyepiece on the telescope which makes it possible to measure star positions. The constellation was introduced in 1621 by the German astronomer Isaac Habrecht II, who originally named it Rhombus.