The Star That Can't Exist

The cosmos is littered with blue and red stars... but curiously no green ones. Why? Is this a fundamental constraint or merely an unlikely outcome? And what would it mean for humanity if we ever did detect a green star? Join us today as we explore this simple question with major implications....

20 min - Space & the Universe - Cool Worlds

More: Stars & Galaxies documentaries

Read Deeper: Stars & Galaxies

1. Cosmos by Carl Sagan (4.6/5) - View on Amazon
2. Astrophysics for People in a Hurry by Neil deGrasse Tyson (4/5) - View on Amazon
3. Death by Black Hole by Neil deGrasse Tyson (4.3/5) - View on Amazon
4. The Universe in a Nutshell by Stephen Hawking (4.3/5) - View on Amazon
5. Universe by Roger A. Freedman (3.9/5) - View on Amazon
6. Horizons by Michael A. Seeds (4.1/5) - View on Amazon
7. 21st Century Astronomy by Jeffrey S. Hester - View on Amazon

Watch Next

• We Found Galaxies Too Old for the Universe (20 min, PBS Space Time)
• Do people understand the scale of the universe? (15 min, Veritasium)
• Let’s Travel to The Most Extreme Place in The Universe (12 min, Kurzgesagt)
• Decoding the Universe: Cosmos (54 min, NOVA PBS Official)
• We've Finally Seen What Holds the Universe Together (21 min, Astrum)
• Gaia's Final Images Saw Something MASSIVE Inside Our Milky Way (18 min, Astrum)
• You Are The Center of The Universe (Literally) (13 min, Kurzgesagt)
• How An Extreme New Star Could Change All Cosmology (19 min, PBS Space Time)