Cleo Abram on Instagram: "What’s the biggest planet ever found in our whole observable universe? Our first contender is huge. You could fit 23 Earth’s across it!! This planet is less dense than marshmallows. But if you’re good with a little more scientific uncertainty, our second contender looks like it’s even bigger… Then there’s the last contender… If you think there should be more optimistic science and tech stories, follow along! #science #shorts #planet #biggest #space"