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When scientists look at very distant galaxies through powerful telescopes they see the galaxies as they were millions or billions of year ago. Why is this?
The vast distances involved means that the light we see left those galaxies a long time ago.
A long time ago people believed that the - blank - was the center of the universe?
A long time ago, people believed that the Earth was the center of the universe, a theory known as the geocentric model. This idea was eventually replaced by the heliocentric model, which places the Sun at the center of the solar system, proposed by astronomers like Copernicus and Galileo.
How long ago were the ancient Babylonians charting of the planets and stars?
The ancient Babylonians were creating star catalogs and observing the planets as early as the 8th century BCE, so it was over 2,700 years ago. They developed a sophisticated system of astronomy that influenced later civilizations.
How did people discover the planet Jupiter?
Jupiter is plainly visible, as it is one of the brightest objects in the night sky. Only Venus and the moon are brighter. Thousands of years ago, early astronomers notices that Jupiter, along with Mercury, Venus, Mars, and Saturn moved relative to the background of stars.
Suggest why looking at distant stars allows us to look back in time?
Looking at distant stars allows us to look back in time because light takes time to travel across vast distances in the universe. When we observe a star that is, for example, 1,000 light-years away, we are seeing the light that left it 1,000 years ago. This means we are witnessing the star's past state rather than its current one. As a result, the farther away a star is, the further back in time we are looking.
How Long ago were the ancient babylonians of the planets and stars?
A long Time ago
Does yon mean long ago?
it means "Distant but within sight"
Where are stars?
Long long ago, in a galaxy far far away.
Why do people say looking at stars is like looking in the past?
Because the speed of light is finite (around 186,000 miles per second) and the stars are so distant, it takes a long time for the light to reach the telescope from the stars - at least 4.2 years. Many objects are millions of light years distant, meaning that what we see in the sky is from the distant past.
How do scientists know so much about stars in distant galaxies?
Scientists use telescopes to observe and analyze light emitted by stars in distant galaxies. By studying the light's intensity, temperature, composition, and movement, scientists can gather information about the stars' age, size, distance, and other properties. This data helps scientists understand the behavior and characteristics of stars in those galaxies.
Why do people say stargazing is like looking back in time?
Light travels at app. 186,000 miles per second. Stars are so far away, the light we see from them was generated long ago, sometimes millions of years in the past. That is the reason astronomers want to look at stars as far away as possible. What they are seeing, is what happened so long ago, some believe we can see the origin of the universe if we can only look far enough.
What do the stars in the flag stand for?
They stand for the 50 states. A long time ago, there used to be 13 stars for the 13 colonies.
How do you catch Deoxys is HeartGold?
Unfortunately, you can only get it from a Nintendo event which was held a long time ago in a distant land. Unlucky.
What do the stars in the us flag stand for?
They stand for the 50 states. A long time ago, there used to be 13 stars for the 13 colonies.
Can you get membership on Fantage if you have 5000 stars?
No.If you want membership you can buy it or you have to get the Beta Crown,but it was long ago......='(
How long ago do scientists believe chemical evolution occured?
Some time after the first stars lit off, so about 13.5 billion years ago.
What is a sentence for the word distant?
The mountain was too distant to be reached on foot in a single day. The distant planet Neptune was studied by the spacecraft Voyager 1. Her husband seemed distant now, and paid little attention to her.
