Clue: Dark matter sci.

Answer: ASTR

Length: 4

---

Similar Clues:

• Science of matter (PHYSICS with 7 letters)
• Dark matter? (ESOTERICA with 9 letters)
• Hypothetical particle in cold dark matter (AXION with 5 letters)
• Dutch astronomer who found the first evidence of dark matter (OORT with 4 letters)
• What really matters (BEALL with 5 letters)
• A dark purple (PETUNIA with 7 letters)
• Informal science (OLOGY with 5 letters)
• Mind matter (IDEA with 4 letters)
• 'Family Matters' nerd (URKEL with 5 letters)
• Plant with dark purple berries (SLOE with 4 letters)