A
The Red Spider Nebula — officially catalogued as NGC 6537 — is a planetary nebula (the glowing shell of gas ejected by a dying star) in the constellation Sagittarius in our Milky Way galaxy. (Wikipedia)
🌌 Distance from Earth:
Astronomers haven’t nailed down a single exact number, but the best estimates place the Red Spider Nebula at about 3,000 light‑years away from Earth. Many sources use a range from roughly 1,900 up to about 4,000+ light‑years because measuring precise distances to nebulae can be tricky. (Wikipedia)
👉 What that means:
One light‑year is the distance light travels in one year — about 9.46 trillion kilometres (nearly 5.88 trillion miles). So at ~3,000 light‑years away, the Red Spider Nebula is roughly 3,000 × 9.46 trillion km from Earth. That’s about 28 quadrillion kilometres (2.8 × 10¹⁶ km)! (Wikipedia)
If you want a comparison: even light, the fastest thing in the universe, takes about 3,000 years to travel from that nebula to Earth. (Wikipedia)
Would you like to know what kind of star created this nebula or how big it is?
The photo shows a bifid uvula (a “split” uvula), which is a classic sign of a submucous cleft palate.
That fits the history perfectly:
Frequent middle ear infections → due to Eustachian tube dysfunction from abnormal palatal muscles
Mild speech difficulties → velopharyngeal insufficiency (nasal speech / poor palate closure)
✅ Most likely diagnosis: Submucous cleft palate (suggested by bifid uvula).
No comments:
Post a Comment