Astronomy: The Solar System Units- 19, 21-25, 34-39, and 51-52

Pregunta 1 de 51

1

In the picture, what type of tides is Earth experiencing?

Selecciona una de las siguientes respuestas posibles:

Spring tides
Neap tides
Weak tides
Leap tides

Explicación

Pregunta 2 de 51

1

Mercury has a radius of 2440km and a mass of 3.30x10^23kg. What is Mercury's density?

Selecciona una de las siguientes respuestas posibles:

5.423x10^12kg/km^3
5.423x10^11kg/km^3
5,423kg/km^3
5.42kg/km^3

Explicación

Pregunta 3 de 51

1

The Earth has a density of 5.52kg/L and a volume of 1.082x10^24L. What is the mass of the Earth?

Selecciona una de las siguientes respuestas posibles:

5.52x10^20kg
52,000kg
5.97x10^24kg
5.11x10^-24kg

Explicación

Pregunta 4 de 51

1

If the Moon is in its First and Third Quarter phases, what type of tides is being experienced on Earth?

Selecciona una de las siguientes respuestas posibles:

Leap Tides
Neap Tides
Spring Tides
Weak Tides

Explicación

Pregunta 5 de 51

1

Compute the mass of Jupiter given observations of the Galilean moons: the moon Io takes 1.796 days to complete an orbit, and it orbits at an average distance of 423,000 km (units are in days/km/kg, so use G = 4.98x10^-10)

Selecciona una de las siguientes respuestas posibles:

4.4x10^21kg
1.035x10^27kg
1.86x10^27kg
1.081x10^27kg

Explicación

Pregunta 6 de 51

1

A galaxy is moving away from the Earth at a velocity of +100000m/s. To what wavelength would the H alpha line have shifted to? (assume the rest wavelength of H alpha is 656.25nm).

Selecciona una de las siguientes respuestas posibles:

457nm
656.25nm
0.218nm
656.47nm

Explicación

Pregunta 7 de 51

1

There is a star with an observed wavelength of 645nm and a rest wavelength of 650nm. How fast is the star moving, and is it moving away or towards the Earth?

Selecciona una de las siguientes respuestas posibles:

-2.3x10^6m/s and moving towards the Earth
2.3x10^6m/s and moving away from the Earth
2.5x10^4m/s and moving towards the Earth
-2.5x10^4m/s and moving away from the Earth

Explicación

Pregunta 8 de 51

1

There are two stars in a binary star system orbiting each other. Star Q is 10 solar masses and Star BB is 6 solar masses. They are 4 Au apart. How long does it take them to complete one orbit?

Selecciona una de las siguientes respuestas posibles:

8yrs
2yrs
4yrs
1yr

Explicación

Pregunta 9 de 51

1

Our lab has recorded a previously undetected electromagnetic pulse from deep space. Our equipment indicates that the pulse has an energy of 4.96x10^-28J. What is the pulse's approximate wavelength and then indicate placement on the electromagnetic spectrum?

Selecciona una de las siguientes respuestas posibles:

550nm and it would be Greenish-Blueish Visible Light
1nm and it would be X-rays
1000nm and it would be Infrared
400nm and it would be Violet Visible Light

Explicación

Pregunta 10 de 51

1

The Sun produces energy by:

Selecciona una de las siguientes respuestas posibles:

Nuclear Fusion between Hydrogen atoms in its core
Nuclear Fission between Hydrogen atoms in its core
Nuclear Fusion between Helium atoms in its core
Nuclear Fission between Helium atoms in its core

Explicación

Pregunta 11 de 51

1

What are the layers of the Sun from the innermost to outermost layer?

Selecciona una de las siguientes respuestas posibles:

Convection Zone, Core, Radiative Zone, Photosphere, Chromosphere, Corona
Core, Radiative Zone, Convection Zone, Photosphere, Chromosphere, Corona
Radiative Zone, Convection Zone, Core, Photosphere, Corona, Chromosphere
Radiative Zone, Core, Photosphere, Corona, Convection Zone, Chromosphere

Explicación

Pregunta 12 de 51

1

As the Sun progresses through its life cycle, it will have amounts of Hydrogen and _ amounts of Helium.

Selecciona una de las siguientes respuestas posibles:

Lower, Lower
Higher, Lower
Lower, Higher
Higher, Higher

Explicación

Pregunta 13 de 51

1

How long does it take for a photon to reach the surface of the Sun?

Selecciona una de las siguientes respuestas posibles:

10 million years
10 thousand years
10 minutes
100 years

Explicación

Pregunta 14 de 51

1

What are Solar Prominences?

Selecciona una de las siguientes respuestas posibles:

Cool, dark spots on the Sun's surface
Solar winds or "belches" that spew photons towards the Earth
A huge plume of glowing gas channeled by magnetic fields
A winding up of the Sun's magnetic field

Explicación

Pregunta 15 de 51

1

True or False:
Coronal Mass Ejections can affected the Earth's communications, satellites, and even power grids.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 16 de 51

1

In this diagram, the Earth is experiencing Spring Tides.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 17 de 51

1

Some lab equipment has recorded a burst of electromagnetic energy with a frequency of 10^6Hz. What is the wavelength of this electromagnetic energy, and where does it fit on the electromagnetic spectrum?

Selecciona una de las siguientes respuestas posibles:

300nm and it is Blue Visible Light
300nm and it is Ultraviolet Light
1nm and it is X-rays
1m and it is a Radio Wave

Explicación

Pregunta 18 de 51

1

The Solar Cycle is the change in Sunspot and Flare activity from year to year following approximetly an 11 year cycle.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 19 de 51

1

Sunspots cause Solar Flares, which are brief but bright eruptions of hot gas in the chromosphere.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 20 de 51

1

Sunspots are:

Selecciona una de las siguientes respuestas posibles:

Large, dark regions on the surfaces of the sun.
Cooler than the surrounding surface.
capable of making magnetic arcs that can channel solar prominences.
All of the above

Explicación

Pregunta 21 de 51

1

The picture represents what type of spectrum, characterized by bright lines at certain wavelengths separated by darker regions in which little or no radiation is emitted?

Selecciona una de las siguientes respuestas posibles:

Absorption-line spectrum
Electromagnetic spectrum
Continuous spectrum
Emission-line spectrum

Explicación

Pregunta 22 de 51

1

This picture represents an absorption-line spectrum, which results when light with a continuous spectrum passes through a cool gas.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 23 de 51

1

The longer the wavelength of light, the higher level of energy it carries.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 24 de 51

1

A blackbody is a theoretical object that reflects all the radiation falling on it.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 25 de 51

1

Wien's law states that the hotter a body is, the more strongly it will radiate at short wavelengths.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 26 de 51

1

A Red Giant Star is hotter than a Blue Giant Star.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 27 de 51

1

A continuous spectrum is spectrum in which the intensity changes smoothly with the wavelength, and all colors are present.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 28 de 51

1

According to Doppler Shift: Waves shorten as a source approaches the observer and lengthens as it recedes.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 29 de 51

1

The planets in order from closest to the Sun to furthest from the Sun follow which order?

Selecciona una de las siguientes respuestas posibles:

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Mars, Venus, Earth, Mercury, Jupiter, Uranus, Neptune, Saturn
Earth, Mercury, Venus, Jupiter, Mars, Neptune, Saturn, Uranus
Jupiter, Saturn, Earth, Mars, Venus, Neptune, Uranus, Mercury

Explicación

Pregunta 30 de 51

1

The outer planets (Jupiter, Saturn, Neptune and Uranus) are also known as Terrestrial Planets.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 31 de 51

1

Venus is the largest of the terrestrial planets

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 32 de 51

1

The orbits of the planets are roughly circular, although not quite.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 33 de 51

1

The asteroid belt in the solar system is located between which two planets?

Selecciona una de las siguientes respuestas posibles:

Earth and Mars
Mars and Jupiter
Jupiter and Saturn
Saturn and Neptune

Explicación

Pregunta 34 de 51

1

The Kuiper Belt and the Oort Cloud are areas beyond Neptune where objects (asteroid, comets, dwarf planets..etc) exist, orbiting the Sun.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 35 de 51

1

Venus is odd among the planets because it:

Selecciona una de las siguientes respuestas posibles:

Has an sideways axis
Is composed like a gas giant, but is between terrestrial planets
Orbits the Sun opposite of the other planets
Rotates slowly, and backwards in comparison to other planets

Explicación

Pregunta 36 de 51

1

Uranus' axis is nearly vertical, which is odd in comparison to the other planets, which axis' lie at distinct tilts.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 37 de 51

1

The Gas Giants have a much lower density in comparison to the Terrestrial Planets because:

Selecciona una de las siguientes respuestas posibles:

Only the Terrestrial Planets have large, solid iron cores
The Gas Giants are made of solely lighter carbon gases
The Gas Giants are very large with a large amount of mass
The volume of the Gas Giants is very small

Explicación

Pregunta 38 de 51

1

The element Cooltonium has just been discovered. Scientist learn that it has a half-life of 20 years in which the parent atoms turn into another recently discovered element, Losertonium. A sample of Cooltonium has 10,000 atoms of Cooltonium and 0 atoms of Losertonium. How many atoms of Cooltonium will be left after 5 half-lives?

Selecciona una de las siguientes respuestas posibles:

312.5 atoms
500 atoms
.003125 atoms
5,000 atoms

Explicación

Pregunta 39 de 51

1

We are able to get close to the age of the Solar System based off of meteorites found on Earth.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 40 de 51

1

Which is the correct order for the creation of the solar system (from earliest to latest)?

Selecciona una de las siguientes respuestas posibles:

The planets formed first by hot gases, the Sun then formed afterwards, the moons and other satellites were then captured by the Sun and Planets.
The Sun formed first from hot gas, the Sun captured wandering planets, the planets captured wandering asteroids to make moons.
The Sun formed first from hot gases, then the planets formed by condensation and accretion, and moons and satellites were later captured by the planets.
The Sun formed, then the Sun spun off gas and dust which formed the planets, the planets spun off dust which solidified into moons

Explicación

Pregunta 41 de 51

1

Condensation occurs when a gas cools and its molecules stick together to form liquid or solid particles.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 42 de 51

1

The Earth is differentiated because its hot, molten state cooled very quickly.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 43 de 51

1

It is believed the Earth was bombarded by meteorites early in its formation.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 44 de 51

1

One way we detect exo-planets is through Doppler Shift.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 45 de 51

1

The Earth is made of layers. The order of these layers from innermost to outermost is:

Selecciona una de las siguientes respuestas posibles:

Solid core, liquid core, upper mantle, lower mantle, crust
Liquid core, solid core, upper mantle, lower mantle, crust
Solid core, lower mantle, upper mantle, liquid core, crust
Solid core, liquid core, lower mantle, upper mantle, crust

Explicación

Pregunta 46 de 51

1

Convection taking place in the Earth's Mantle allows for Plate Tectonics which can significantly change the surface of the Earth.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 47 de 51

1

The bright, white areas on the moon are called:

Selecciona una de las siguientes respuestas posibles:

Maria
Highlands
Craters
Rilles

Explicación

Pregunta 48 de 51

1

The Moon's large, smooth, dark areas are called:

Selecciona una de las siguientes respuestas posibles:

Maria
Rilles
Highlands
Craters

Explicación

Pregunta 49 de 51

1

The Maria are much older than the Highlands, as indicated by the large amounts of craters.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 50 de 51

1

Due to synchronous rotation, the same side of the Moon is always facing the Earth.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 51 de 51

1

What is the Greenhouse Effect?

Selecciona una de las siguientes respuestas posibles:

It is an effect where plants grow significantly better in certain location on the Earth
It is a phenomenon caused by gases that traps heat in the Earth's atmosphere, keeping it warm.
It is a protective layer that reflects all dangerous solar rays from impacting the Earth
It is another name for the Earth's atmosphere

	Creado por Rebekkah Gresh hace alrededor de 9 años

Astronomy: The Solar System Units- 19, 21-25, 34-39, and 51-52

Pregunta 1 de 51

In the picture, what type of tides is Earth experiencing?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 51

Mercury has a radius of 2440km and a mass of 3.30x10^23kg. What is Mercury's density?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 3 de 51

The Earth has a density of 5.52kg/L and a volume of 1.082x10^24L. What is the mass of the Earth?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 4 de 51

If the Moon is in its First and Third Quarter phases, what type of tides is being experienced on Earth?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 5 de 51

Compute the mass of Jupiter given observations of the Galilean moons: the moon Io takes 1.796 days to complete an orbit, and it orbits at an average distance of 423,000 km (units are in days/km/kg, so use G = 4.98x10^-10)

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 51

A galaxy is moving away from the Earth at a velocity of +100000m/s. To what wavelength would the H alpha line have shifted to? (assume the rest wavelength of H alpha is 656.25nm).

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 7 de 51

There is a star with an observed wavelength of 645nm and a rest wavelength of 650nm. How fast is the star moving, and is it moving away or towards the Earth?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 8 de 51

There are two stars in a binary star system orbiting each other. Star Q is 10 solar masses and Star BB is 6 solar masses. They are 4 Au apart. How long does it take them to complete one orbit?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 9 de 51

Our lab has recorded a previously undetected electromagnetic pulse from deep space. Our equipment indicates that the pulse has an energy of 4.96x10^-28J. What is the pulse's approximate wavelength and then indicate placement on the electromagnetic spectrum?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 10 de 51

The Sun produces energy by:

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 11 de 51

What are the layers of the Sun from the innermost to outermost layer?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 12 de 51

As the Sun progresses through its life cycle, it will have __________ amounts of Hydrogen and ___________ amounts of Helium.

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 13 de 51

How long does it take for a photon to reach the surface of the Sun?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 14 de 51

What are Solar Prominences?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 15 de 51

True or False: Coronal Mass Ejections can affected the Earth's communications, satellites, and even power grids.

Selecciona uno de los siguientes:

Explicación

Pregunta 16 de 51

In this diagram, the Earth is experiencing Spring Tides.

Selecciona uno de los siguientes:

Explicación

Pregunta 17 de 51

Some lab equipment has recorded a burst of electromagnetic energy with a frequency of 10^6Hz. What is the wavelength of this electromagnetic energy, and where does it fit on the electromagnetic spectrum?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 18 de 51

The Solar Cycle is the change in Sunspot and Flare activity from year to year following approximetly an 11 year cycle.

Selecciona uno de los siguientes:

Explicación

Pregunta 19 de 51

Sunspots cause Solar Flares, which are brief but bright eruptions of hot gas in the chromosphere.

Selecciona uno de los siguientes:

Explicación

Pregunta 20 de 51

Sunspots are:

Selecciona una de las siguientes respuestas posibles:

As the Sun progresses through its life cycle, it will have amounts of Hydrogen and _ amounts of Helium.

True or False:
Coronal Mass Ejections can affected the Earth's communications, satellites, and even power grids.