Back to Discover
🚀

Right ascension

space Maturity 11-13

We use numbers to find stars.

Ra and dec on celestial sphere.png
Ra and dec on celestial sphere.png
These numbers show where stars live. They work like a map for the sky. This helps us see the stars at night. It is like a game of hide and seek. Can you find a star?

48 words
🖼️ Images & Media (10)
File:RocketSunIcon.svg
RocketSunIcon.svg
File:Solar system.jpg
Solar system.jpg
File:Crab Nebula.jpg
Crab Nebula.jpg
File:Earth-moon.jpg
Earth-moon.jpg
File:Stars and ra.png
Stars and ra.png
File:Old RA diagram.png
Old RA diagram.png
File:Ra and dec on celestial sphere.png
Ra and dec on celestial sphere.png
File:Hour angle still1.png
Hour angle still1.png
File:Ra and dec demo animation small.gif
Ra and dec demo animation small.gif
File:He1523a.jpg
He1523a.jpg
Up Next
🚀
Hour angle
Space
→
More to explore

🔗 What's this?

Concepts mentioned in this article

History Earth Solar System Time Hour angle

✨ What else?

Related topics you might enjoy

Hour angle 0% Equatorial coordinate system 0% Spherical astronomy 0% Position angle 0% Proper motion 0%

🔬 Go deeper

More advanced topics to explore

Equatorial coordinate system Spherical astronomy Position angle

🪜 Step back

Simpler topics to build understanding

Square degree Horologium (constellation) Aquarius (constellation) Aries (constellation)
📚 Content adapted from Wikipedia | Readability: FK 10.0 | Vital Level 5