Quotes About Cosmos

when astronomers say that the galaxy M87 is 60 million light-years away, what they really mean ("but do not often stress to the general public") is that it is somewhere between 40 million and 90 million light-years away—not quite the same thing.

appears that at least 90 percent of the universe, and perhaps as much as 99 percent, is composed of Fritz Zwicky's "dark matter"—stuff that is by its nature invisible to us.

two-thirds of the universe is still missing from the balance sheet

As Donald Goldsmith notes, when astronomers say that the galaxy M87 is 60 million light years away, what they really mean ('but do not often stress to the general public') is that it is somewhere between 40 million and 90 million light years away - not quite the same thing.

It appears that the universe may not only be filled with dark matter, but with dark energy.

Alpha Centauri

With their radio telescopes they can capture wisps of radiation so preposterously faint that the total amount of energy collected from outside the solar system by all of them together since collecting began (in 1951) is 'less than the energy of a single snowflake striking the ground'2, in the words of Carl Sagan. In

The point to remember, of course, when considering the universe at large is that we don't actually know what is in our own solar system. Now

the average asteroid actually will be about one and a half million kilometres from its nearest neighbour.

if you were designing an organism to look after life in our lonely cosmos, to monitor where it is going and keep a record of where it has been, you wouldn't choose human beings for the job. But

when we peer into the distance some of the galaxies we see may simply be reflections, ghost images created by rebounded light.

dark matter," which is invisible to us and yet is believed to account for 90 per cent, or more, of all the matter in the universe. Dark matter was first theorized in the 1930s by Fritz Zwicky

Rather, space curves, in a way that allows it to be boundless but finite.

Mars-sized object slammed into Earth, blowing out enough material to create the Moon from the debris.

Altogether it takes 7 billion billion billion (that's 7,000,000,000,000,000,000,000,000,000, or 7 octillion) atoms to make you.

Think of it: there is enough of you to leave the solar system. You are in the most literal sense cosmic.

But astronomy is, quite genuinely, far simpler than the human sciences.

I'M SIGNIFICANT!!! ... Say's the dust speck.

Quando olha para o céu e vê o infinito através das estrelas, você percebe que há coisas mais importantes do que as pessoas fazem todo dia.

The turtle stands on a turtle, which stands on a turtle. That's the universe in whole, boy. It's turtles all the way down.

Le silence eternel des ces espaces infinis m'effraie - The eternal silence of these infinite spaces frightens me.

The eternal silence of these infinite spaces terrifies me

The eternal silence of these infinite places fills me with dread.

The eternal silence of these infinite spaces fills me with dread.