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Astronomy Physics Physiscs Astronomy Space Science

12/01/17

What are 4 pieces of evidence that earth is shaped like a sphere?

evidence, known facts

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Astronomy

11/25/17

Why don't jovian planets have surface temperature?

Why don't jovian planets have a surface temperature?

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Astronomy

11/25/17

What is the general pattern of the relationship between the distances of the planets from the Sun and their temperature

What is the general pattern of the relationship between the distances of the planets from the Sun and their temperature?

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Astronomy

11/21/17

Describe how the distances between the orbits of the inner planets compare to the distances between the orbits of the outer planets

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Astronomy

11/21/17

astronomy math question

if the parallax shift of a star is 0.150 seconds of sarc, what is the distance to the star in light years?

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Astronomy Phyiscs

11/12/17

When an electron moves between levels it can produce a unique set of either emission or absorption lines.

why does this happen?

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Astronomy Physics

11/12/17

Why is the fundamental difference between radiation and sound is?

Sound needs a physical medium through which to travel whereas radiation does not

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Astronomy Science Phyiscs

11/12/17

How does this scenario demonstrate the transformation of mass into energy as given by Einstein’s equation E=mc^2?

when hydrogen is fused into helium , whether in the sun or in the nuclear bomb, the mass difference is turned into energy.

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Astronomy Physics Math Word Problem Physics Math

11/12/17

two Massive black holes collided and in the process released the equivalent energy of 3 solar masses. How much energy was released?

Mass of the sun = 1.99x10^30 kg. Energy released by 1 megaton bomb is about 4x10 ^15 joules.

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Astronomy

10/04/17

the peak wavelength of the suns light is 500nm . What is the approximate temperature of the suns surface?

Math

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Astronomy

09/27/17

What is the maximum distance between the Earth and Mercury in kilometers?

The maximum distance between the Sun and Mercury is 7.0 × 10 7 7.0 × 10 7 km while the maximum distance between the Sun and the Earth is 1.5 × 10 8 1.5 × 10 8 km.

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Astronomy

09/27/17

the Earth's orbital pattern around the sun makes the Earth come closer to the sundering the summer, and father during the winter.

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Astronomy Math Astronomy Math

09/24/17

You have discovered the planet Zoltron. It is 19.0 times farther from the Sun than Earth (19.0 AU). How long does it take this planet to go once around the Su

You have discovered the planet Zoltron. It is 19.0 times farther from the Sun than Earth (19.0 AU). How long does it take this planet to go once around the Sun?

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Astronomy Math Word Problem

09/12/17

i have an astronamy class but its a math problem ?

Earth's rotational axis precesses with a period of 26,000 years, tracing out a circle in the sky. Currently Polaris marks the location of the north celestial pole (NCP). How long until Alderamin,... more

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Astronomy

08/11/17

if the parallax shift of a star is 0.130 seconds of sarc, what is the distance to the star in light years?

star question of astronomy class

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Astronomy

07/16/17

Astronomy Class Question

Estimate the maximum and minimum time it takes a radar signal to make the round trip between Earth and Venus, which has a semi major axis of 0.72 AU. This is for Astronomy Class?

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Astronomy

07/09/17

Astronomy Class question

When new, a standard tire has 10/32 inches of tread. When only 2/32 inches of tread remains, the tire needs to be replaced. If this occurs after 40,000 miles, what thickness of tire rubber is lost... more

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Astronomy

05/20/17

When was the Space Hubble telescope first launch

How was it launch and why.

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Astronomy Error Analysis

05/06/17

If three measurements have different errors, what is the error of the mean of the three measurements?

For my astronomy coursework, I need to work out the sidereal day and the error of this value. Since I repeated the observation 3 times, I have 3 values for the sidereal day each with a different... more

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Astronomy Physics Math Help Math Word Problem

05/06/17

If you decrease the distance between two celestial objects by a factor of 3.5, how does the resultant gravitational force between the two objects compare to the

If you decrease the distance between two celestial objects by a factor of 3.5, how does the resultant gravitational force between the two objects compare to the original force? The force is ______... more

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Astronomy So Hard Eisten

05/06/17

A comet is discovered that has an orbital period of 105 years. Determine the average distance of this comet from the Sun in AU

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Astronomy

05/06/17

which of the following is not part of the solar surface or solar atmosphere?

which of the following is not part of the solar surface or solar atmosphere?magnetosphere, chromosphere, photospehere corona

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Astronomy Math Physics

04/22/17

The schwarzchild radius of a black hole containing 7.95 x 10 ^ 28 kg is ___ meters

The schwarzchild radius of a black hole containg 7.95 x 10 ^ 28 kg is ___ meters

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Astronomy Please Help This Poor Sap

04/22/17

Astronomy difficult question. star velocity

light is gathered from a distant star and one of the spectral lines is obeserved at 540 nm when it should be 400 nm. The velocity of this star is ____km/sOnly enter your numerical answer don't... more

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Astronomy

04/18/17

quasars and distances

What is the minimum size of a quasar that shows variations in brightness over a period of 36 hours? Express your answer in kilometers.

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What are 4 pieces of evidence that earth is shaped like a sphere?

Why don't jovian planets have surface temperature?

What is the general pattern of the relationship between the distances of the planets from the Sun and their temperature

Describe how the distances between the orbits of the inner planets compare to the distances between the orbits of the outer planets

astronomy math question

When an electron moves between levels it can produce a unique set of either emission or absorption lines.

Why is the fundamental difference between radiation and sound is?

How does this scenario demonstrate the transformation of mass into energy as given by Einstein’s equation E=mc^2?

two Massive black holes collided and in the process released the equivalent energy of 3 solar masses. How much energy was released?

the peak wavelength of the suns light is 500nm . What is the approximate temperature of the suns surface?

What is the maximum distance between the Earth and Mercury in kilometers?

the Earth's orbital pattern around the sun makes the Earth come closer to the sundering the summer, and father during the winter.

You have discovered the planet Zoltron. It is 19.0 times farther from the Sun than Earth (19.0 AU). How long does it take this planet to go once around the Su

i have an astronamy class but its a math problem ?

if the parallax shift of a star is 0.130 seconds of sarc, what is the distance to the star in light years?

Astronomy Class Question

Astronomy Class question

When was the Space Hubble telescope first launch

If three measurements have different errors, what is the error of the mean of the three measurements?

If you decrease the distance between two celestial objects by a factor of 3.5, how does the resultant gravitational force between the two objects compare to the

A comet is discovered that has an orbital period of 105 years. Determine the average distance of this comet from the Sun in AU

which of the following is not part of the solar surface or solar atmosphere?

The schwarzchild radius of a black hole containing 7.95 x 10 ^ 28 kg is ___ meters

Astronomy difficult question. star velocity

quasars and distances

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