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Adam Riess Quotes


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Quotes by Adam Riess

Showing 1-10 of 12 Quotes by Adam Riess

We know there is gravity because apples fall from trees. We can observe gravity in daily life. If we could throw an apple to the edge of the universe, we would observe it accelerating.

~Adam Riess

Topics: Accelerate Apple Apples Because Could Daily Daily Life Edge Fall Gravity Know Life Observe Throw Trees Universe Would

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We've known for a long time that the universe is expanding. But about 15 years ago, my colleagues and I discovered that it is expanding faster and faster. That is, the universe is accelerating, and that was not expected, but it is now attributed to this mysterious stuff called dark energy which seems to make up about 70 percent of the universe.

~Adam Riess

Topics: About Accelerate Attributed Colleagues Dark Discovered Energy Expanding Expected Faster Known Long Long Time Make Make Up Mysterious Now Percent Seems Stuff Time Universe Up Which Years Years Ago

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We're really just the frosting on a cake and we don't know what's inside the cake.

~Adam Riess

Topics: Cake Inside Just Know Really

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I think the mystery of what's out there in the universe is just very compelling.

~Adam Riess

Topics: Compelling Just Mystery Out Think Universe Very I Think

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It's everywhere, really. It's between the galaxies. It is in this room. We believe that everywhere that you have space, empty space, that you cannot avoid having some of this dark energy.

~Adam Riess

Topics: Avoid Believe Between Cannot Dark Empty Empty Space Energy Everywhere Galaxies Having Really Room Some Space You

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Your chemistry high school teacher lied to you when they told you that there was such a thing as a vacuum, that you could take space and move every particle out of it.

~Adam Riess

Topics: Chemistry Could Every High High School Lied Move Out Particle School School Teacher Space Such A Thing Take Teacher Thing Vacuum You Your

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We look at distant exploding stars called supernovae, and we've developed techniques to measure how far away they are and how fast they're moving away from us.

~Adam Riess

Topics: Away Developed Distant Exploding Far Far Away Fast How How Far Look Measure Moving Moving Away Stars Techniques Us

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Einstein wrestled with a problem back before we even knew the universe was expanding, and he was looking for a way to keep the universe from collapsing. And so he discovered, in his theory of gravity, something like this dark energy - he called it a cosmological constant - could play this role, pushing things away.

~Adam Riess

Topics: Away Back Before Collapsing Constant Could Dark Discovered Einstein Energy Even Expanding Gravity He His Keep Knew Like Looking Play Problem Pushing Role Something Theory Things Universe Way

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Dark energy is incredibly strange, but actually it makes sense to me that it went unnoticed, because dark energy has no effect on daily life, or even inside our solar system.

~Adam Riess

Topics: Actually Because Daily Daily Life Dark Effect Energy Even Incredibly Inside Life Makes Me Our Sense Solar Solar System Strange System Unnoticed

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Until the 1990s, there were few reliable observations about movement at the scale of the entire universe, which is the only scale dark energy effects. So dark energy could not be seen until we could measure things very, very far away.

~Adam Riess

Topics: About Away Could Dark Effects Energy Entire Far Far Away Few Measure Movement Observations Only Reliable Scale Seen Things Universe Until Very Were Which 1990S

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Biography

Nationality: American

Type: Scientist

Born: December 16th, 1969

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