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Why did early astronomers think that mercury was two separate planets?
Early astronomers observed that Mercury had two distinct elongated appearances: as a morning star and as an evening star. They mistakenly believed these were two separate planets when, in fact, it was due to Mercury's proximity to the Sun causing it to be visible at certain times from Earth.
What do astronomers call an eclipse's alignment?
It is a syzygy.
What did radar astronomers find in the polar regions of Mercury?
Radar astronomers have found evidence of water ice in the permanently shadowed regions near the poles of Mercury. These deposits could be billions of years old and are thought to have been delivered by comets or asteroids impacting the planet's surface.
MERCURY IS so dense astronomers believe its has a high concentration of what element?
Astronomers believe Mercury has a high concentration of iron because it is one of the densest planets in our solar system, suggesting a significant amount of heavy elements.
What do you call people who study the stars and planets?
Astronomers
What do you call people that study outer space and the solar system?
Mainly astronomers. But cosmologists and astrophysicists will also be interested in outer space.
Why is it hard for astronomers to learn about the planet Mercury?
cause they can't go there
What did astronomers call Venus?
Phosphorus
Why did early astronomers think that mercury was two separate planets?
Early astronomers observed that Mercury had two distinct elongated appearances: as a morning star and as an evening star. They mistakenly believed these were two separate planets when, in fact, it was due to Mercury's proximity to the Sun causing it to be visible at certain times from Earth.
Who named Mercury and why did they choose the name Mercury?
Mercury was named by astronomers in 4th century BCE. The name comes from the Roman god Mercury, who was the messenger god and the fastest of the gods.
What do astronomers call an eclipse's alignment?
It is a syzygy.
What did radar astronomers find in the polar regions of Mercury?
Radar astronomers have found evidence of water ice in the permanently shadowed regions near the poles of Mercury. These deposits could be billions of years old and are thought to have been delivered by comets or asteroids impacting the planet's surface.
MERCURY IS so dense astronomers believe its has a high concentration of what element?
Astronomers believe Mercury has a high concentration of iron because it is one of the densest planets in our solar system, suggesting a significant amount of heavy elements.
What do you call the people that studying the stars and moon?
Astronomers
What do you call scientist that studies the solar system?
Astronomers
What do you call people who study the stars and planets?
Astronomers
What do astronomers call Saturn?
"Saturn" of course, but also they call it a "gas giant planet".
