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BenMcC's profile
Ben McCarthy
Ben McCarthy
Ben McCarthy
@BenMcC

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Ben McCarthy

@BenMcC

Our universe is full of wonder and mystery. Let me show you why.

Australia
discover.earth
Joined December 2016

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    1. Ben McCarthy‏ @BenMcC Apr 6

      This week we discovered the most distant star yet, called Icarus. We found it because of a galaxy cluster. The cluster's gravity is so massive that it warps light, magnifying space behind it. The space happened to contain a star 9 billion light years away. How cool is that.pic.twitter.com/rpmOgKs1PY

      1 reply 0 retweets 6 likes
    2. moo cow‏ @andjomc Apr 6
      Replying to @BenMcC

      How on Earth do we know this? That those splotches of light are indeed galaxy clusters, & that their gravity is magnifying the space behind them, which allows us to see this most distant star?

      2 replies 0 retweets 1 like
    3. S=‏ @mindless1729 Apr 6
      Replying to @andjomc

      Because Einstein was a smart guy.

      1 reply 0 retweets 1 like
    4. moo cow‏ @andjomc Apr 6
      Replying to @mindless1729

      Good enough. I'm convinced

      1 reply 0 retweets 1 like
    5. S=‏ @mindless1729 Apr 6
      Replying to @andjomc

      Gravitational lensing is verified property of space hypothesized by Einstein after he derived the general relativity equation. He struggled to verify it, to prove the theory. His famous quote “imagination is more important than knowledge” came out is this chapter.

      3 replies 1 retweet 3 likes
    6. Ben McCarthy‏ @BenMcC Apr 6
      Replying to @mindless1729 @andjomc

      An Australian telescope once picked up mysterious radio signals. They called them 'Fast Radio Bursts'. Maybe they were coming from deep space, who knows. Even stranger, they occurred only in daytime. They were caused by an astronomer reheating his coffee in the microwave 😄

      2 replies 1 retweet 3 likes
    7. Ben McCarthy‏ @BenMcC Apr 6
      Replying to @BenMcC @andjomc

      So it would be a bummer if Ed didn't clean the scope.. But you can measure size and distance of objects by how distorted their light is & you can see the 'bubble' of the lens move across the sky. But nothing is certain in science or it isn't science 😉https://www.nature.com/articles/s41550-018-0430-3 …

      1 reply 0 retweets 2 likes
    8. moo cow‏ @andjomc Apr 6
      Replying to @BenMcC

      I'm humbly silenced, & have some reading to do

      1 reply 0 retweets 1 like
      Ben McCarthy‏ @BenMcC Apr 6
      Replying to @andjomc

      Thanks for the great questions, they sent me down an interesting internet rabbit hole this morning!

      6:15 PM - 6 Apr 2018
      • 2 Likes
      • moo cow S=
      0 replies 0 retweets 2 likes

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