Triangulum facts for kids
| Constellation | |
List of stars in Triangulum
|
|
| Abbreviation | Tri |
|---|---|
| Genitive | Trianguli |
| Pronunciation | genitive |
| Symbolism | The Triangle |
| Right ascension | 01h 31.3m to 02h 50.4m |
| Declination | 25.60° to 37.35° |
| Quadrant | NQ1 |
| Area | 132 sq. deg. (78th) |
| Main stars | 3 |
| Bayer/Flamsteed stars |
14 |
| Stars with planets | 3 |
| Stars brighter than 3.00m | 0 |
| Stars within 10.00 pc (32.62 ly) | 0 |
| Brightest star | β Tri (3.00m) |
| Messier objects | 1 |
| Meteor showers | None |
| Bordering constellations |
Andromeda Pisces Aries Perseus |
| Visible at latitudes between +90° and −60°. Best visible at 21:00 (9 p.m.) during the month of December. |
|
Triangulum is a small constellation in the northern sky. It looks like a simple triangle. People have seen this group of stars for thousands of years. It is one of the 48 constellations listed by the ancient astronomer Ptolemy. Today, it is one of the 88 modern constellations.
Contents
What is the Triangulum Constellation?
Triangulum means "the triangle" in Latin. This constellation is named for its shape. It has three main stars that form a long, narrow triangle. It is a small constellation, ranking 78th in size. It covers an area of 132 square degrees in the night sky.
Where to Find Triangulum
You can find Triangulum in the first quarter of the northern sky. It is next to other constellations like Andromeda and Pisces. The best time to see it is in December. It is visible from the North Pole down to about 60 degrees south latitude.
Stars of Triangulum
The brightest star in Triangulum is called Beta Trianguli (β Tri). It shines with a magnitude of 3.00. Another important star is Delta Trianguli (δ Tri). This star is about 35.29 light-years away from Earth. These stars help form the triangle shape.
The Triangulum Galaxy
Triangulum is home to a famous galaxy called the Triangulum Galaxy. Its official name is Messier 33, or M33. This galaxy is a spiral galaxy, much like our own Milky Way. It is part of our local group of galaxies. The Triangulum Galaxy is one of the farthest objects you can see with your bare eyes. It looks like a faint, fuzzy patch of light.
Studying the Triangulum Galaxy
Astronomers study the Triangulum Galaxy to learn about how galaxies form. It has many areas where new stars are being born. Scientists use powerful telescopes to see its spiral arms and bright star clusters. It is a great place to observe different types of stars.
Images for kids
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The peculiar asymmetry of NGC 949.
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IC 1727 and UGC 1249.
See also
In Spanish: Triangulum para niños
