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I think its because they reflect light from the sun at night ( part of earth is Covered by the Moon but is still reflected by the sun's rays.)

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13y ago

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why astronomers can see stars and planets at night


How did astronomers know Neptune existed before they could see it?

Astronomers knew that Neptune existed before they could see it because they observed that the other planets orbited the sun in a way that could only be explained if they were being influenced by the gravity of another object of such mass. So the astronomers contemplated that there must be another planet somewhere that was changing the orbits of other planets. That planet is today called Neptune.


What must astronomers do to view planets directly?

Astronomers use a telescope to view planets directly.


Which of the planets did the team of astronomers study for their report?

Teams of astronomers have studies all possible planets.


Why planets are called planets?

Because the ancient Greek astronomers were one of the first astronomers to discover the planets. As they looked at the planets over time they moved into different places. The planets seemed o orbit the Sun so the Greek astronomers called them planets, which meant :wanderers.


Why do you think that astronomers are considered to be Earths Scientists?

Because they study many planets and their geography and atmosphere, in Earth Science you study the geology of Earth just like Astronomers study geology of other planets.


Why do astronomers find it difficult to locate extrasolar planets with telephones?

Astronomers cannot locate extrasolar planets with telescopes because these planets are outside of our solar system and too far away for telescopes to directly observe. Instead, astronomers use indirect methods such as radial velocity and transit techniques to detect these distant planets.


Who knows about the planets of our solar system?

Many astronomers, historians, regular people, and scientisis know about the planets in our Solar system.


Who looks at planets with telescope?

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Why do astronomers find it difficult to locate extrasolar planets with telescopes-?

Light from the stars they orbit makes it difficult to see them.


Why aren't you able to see the planets around the sun?

The planets around the sun are not visible to the naked eye because they are much smaller and dimmer than the sun, making them difficult to see against the sun's bright light. Additionally, the glare from the sun can make it challenging to distinguish the planets in the sky. Astronomers use telescopes and other tools to observe and study the planets in our solar system.


How do you use syzygy in a sentence?

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