Sceinec Vocab Dec 7 Flashcards

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1
Q

Solistice

A

The suns path is farthest North or south from the equator

June 21st-> longest period of daylight
December 21st-> shortest period of daylight

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2
Q

Equinox

A

Sun is right over the equator, day and night are the same.

(Spring and autumn)

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3
Q

Stonehenge

A

Considered one of the most well known prehistoric structure in the entire world. This stone circle was created in 2500 BC
(Neolithic period)

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4
Q

Pyramids of Giza

A

The Great Pyramids of Giza, Egypt. They can also be seen from space. These tombs were created by the Ancient Egyptians some 4,500 years ago, and since then, humans have found a way to view them from outer space

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5
Q

Chichem Itza, Mexico

A

Celestial observations influenced the architecture of the these pyramids.

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6
Q

Geocentric

A

Earth centered model to explain palenyru motion
( about 2000 years ago )
Priorises by Aristotle(a Greek philosopher)

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7
Q

Heliocentric

A

Sun cantered solar system that was first put forth by polish astronomer Nicholas Copernicus

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8
Q

Aristotle

A

A Greek philosopher and polymath during the classic period in Ancient Greece.

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9
Q

Copernicus

A

Mathematician and astronomer proposed that the sun was fixed in the center of universe and that the earth was the one that revolves around it

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10
Q

Galileo

A

An Italian astronomer, physicist and engineer sometimes described as a polymath

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11
Q

Kepler

A

Johannes Kepler was a German mathematician and astronomer who discovered that the Earth and planets travel about the sun in elliptical orbits. He gave three fundamental laws of planetary motion.

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12
Q

Sundials

A

Sundials have been around for more then 7000 years, they’re used to measure the passage of time

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13
Q

Merkhet

A

Ancient Egyptians created this which was used to map astronomical positions and predict the movement of stars

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14
Q

Quadrant

A

Used to measure the stars height above the horizon

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15
Q

Astrolabe

A

Arabian astronomers used this tool to make accurate charts or star positions

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16
Q

Cross staff

A

A device for measuring the angle between objects

17
Q

Telescope

A

Let’s them see further into space and understand distances in space more clearly

18
Q

Astronomical unit

A

Used for measuring local distances in our solar system

19
Q

Light years

A

Used to measure distances oustide the solar system

20
Q

Hertzsprung-Russel diagram

A

Diagram compares the surface temperature of the stars brightness

As temperature increased brightness increases

21
Q

Constellations

A

Groupings of stars we see as patterns in the night sky. They’re considered the “Recognized /official” stars

22
Q

Asterisms

A

Unofficial unrecognized star groupings

23
Q

Galaxies

A

Grouping of billions of stars, gas and dust

We like in the milky way which is a spiral galaxy

24
Q

Comet

A

Made of ice and dust. When near the sun, their tail appears to glow. Heat of the sun causes for it to let out a lot of gasses

25
Q

Meteoroids

A

Rock
Found flowing around space

26
Q

Meteor

A

A result of a meteoroid approaching too close to the earth. They’re seen as shooting stars

27
Q

Meteorites

A

Like stage a meteoroid can take. When a m’était has been in the sky long enough to hit earths surface.

28
Q

Eclipse

A

The obscuring of light from one celestial body
Solar eclipse- sun ig getting darker:sun is eclipsed
Lunar eclipse-moon is getting darker:moon is eclipsed

29
Q

Solar flare

A

Strong burst of radiation coming from the release of magnetic energy involved with the sunspots

30
Q

Corona

A

Outer layer of the suns atmosphere
It isn’t visible due to the bright light the wing give off covering it

31
Q

Sunspot

A

Dark huge places that appear in the surface of the sun. They are dark because they’re cooler than their surroundings.

32
Q

Temperature of the sun

A

The sun has a temperature of 5500(c) and core 15 000 000 (c)