4 ms·

Don't we know this in high school. Of course the universe is full of planets.

• grannyg00se 13y ago
  Here's the new and surprising take-away: "In other words, roughly 15 percent of all suns could, in principle, be hosting a place suitable for life as we know it. "
• vidarh 13y ago
  Unless you left high school within the last few years, no we didn't. We might have assumed, but the evidence is quite new.