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Astronomy

06/15/16

weins law help

According to Wien's Law, how many times hotter is an object whose blackbody emission spectrum peaks in the blue, at a wave length of 450 nm, than a object whose spectrum peaks in the red, at 700... more

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Astronomy

04/08/16

How frequently do these four planets line up with each other?

Earth, Jupiter, Saturn, and Uranus all revolve around the sun. Earth takes 1 year, Jupiter 12 years, Saturn 30 years, and Uranus 84 years.

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Astronomy

03/29/16

astronomy -please

?-The questions in this homework quiz all refer to the following graph: http://www.up-00.com/VERzSCdj It shows a black body spectrum for an imaginary star. (In reality, while real stars do... more

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Astronomy

03/25/16

astronomy- please need help

A formula from physics is λmax × T = 0.0029. This formula is called Wien's law, and it relates the wavelength of the peak of a blackbody spectrum (your answer to question 1), to the temperature of... more

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Astronomy Calculus Advanced Math

12/06/15

relationship between number of objects in a given area and how often those objects intersect another object in that area

I am trying to calculate the number of asteroids in our solar system based on how often they hit the earth. I feel like there must be a mathematical relationship between how many objects there are... more

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Astronomy Physics Physics C Resonance

12/05/15

Hubble Telescope question

The Hubble Space Telescope is a reflecting telescope in orbit about the earth so that its resolution would not be limited by turbulence in the atmosphere. Its objective diameter is 2.4 m. For... more

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Astronomy Physics Optics Optics And Light

12/03/15

why did they send the Hubble to orbit?

The Hubble Space Telescope is a reflecting telescope in orbit about the earth so that its resolution would not be limited by turbulence in the atmosphere. Its objective diameter is 2.4 m. For... more

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Astronomy Physics Maths Math Help

10/26/15

Baryon to photon ratio urgent help

I am having trouble showing that the baryon to photon ratio isη= nb/nγ ~ 2.7x10-8Ωbh2where nb and nγ are the number density of baryons and photons respectively, Ωb is the baryon density parameter... more

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Astronomy Algebra 1

10/19/15

if a car traveling at constant speed goes 70 miles in 2 hours, how far will it go in 24 hours

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Astronomy

07/07/15

How many planets in our solar system

In what order are the planets from the sun

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Astronomy Science

04/14/15

Astronomy question about comets

I am stuck on this one question on my science homework, and I would like to know how to answer it so I can be ready for a quiz, too. Please help. Suppose a comet passes the sun every 57 years,... more

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Astronomy

03/26/15

what is the average annual proper motion of Bergards Star

Stellar Evolution

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Astronomy

01/17/15

describe how External energy from the sun affects the movement of matter?

and have examples of how the sun physically moves matter and how the sun chemically moves matter

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Astronomy

11/26/14

When is the Long Night moon?

I WANT TO SEE IT SO BAD

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Astronomy

10/30/14

determine the mass of Jupiter using data from its moon Sinope: period of orbit is 2.075 years, average orbital distance is 0.158 astronomical units.

If the mass of the second object is very small compared with the first mass, then, to a good approximation, P2 = a3 / M1. Solving for the mass, we get M1 = a3 / p2 . Use this mass formula to... more

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Astronomy Bending Space

10/21/14

Is Space really Elastic and Gravity of the Planets is a result of their bend of Space?

I wanna ask about Astronomy!If Space is really elastic kind of, and the Gravitation pull of planets is due to the bend they cause because of their mass in Space, would it be true still that if... more

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Astronomy

09/24/14

what is the source of the material that now makes up the Sun and the rest of the solar system

I am stuck on this question. Can you please help me.

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Astronomy

08/24/14

Looking up and seeing stars in circle formations. where could I be?

If you look straight up and see the stars moving in circles centered directly overhead, what two places can you be on earth?

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Astronomy

05/08/14

THE STAR BETELGEUSE IN ORION'S SHOULDER IS RED AND THE STAR RIGEL IN ORION'S KNEE IS BLUE .

( A) RIGEL'S SURFACE IS COOLER THAN BETELGEUSE'S SURFACE . ( B ) BETELGEUSE'S SURFACE IS COOLER THAN RIGEL'S SURFACE . ( C ) BETELGEUSE'S AND RIGEL 'S SURFACES ARE THE SAME TEMPERATURE . ( D ) THE... more

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Astronomy

05/08/14

BECAUSE IT FORMED FROM A CORE WITH SEVERAL EARTH MASSES IN A PLACE COOLER THAN EARTH

(A) JUPITER WAS NOT ABLE TO COLLECT ANY HELIUM GAS . (B) MERCURY HAS THE MOST MASSIVE ATMOSPHERE OF ANY PLANET IN THE SOLAR SYSTEM ( C ) JUPITER'S GRAVITY ENABLED IT TO COLLECT A VERY MASSIVE... more

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Astronomy

05/08/14

AS A RESULT OF HEATING BY THE PROTO -SUN WHEN THE SOLAR SYSTEM WAS FORMING

(A) THERE ARE ABSOLUTELY NO ICES TO BE FOUND IN THE OUTER SOLAR SYSTEM .(B) ROCKY MATERIAL IS NOT FOUND IN THE INNER SOLAR SYSTEM ( C ) VOLATILE MATERIAL IS PERFECTLY EVENLY DISTRIBUTED THROUGHOUT... more

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Astronomy

05/08/14

do not be misled . ALTHOUGH THE HEAT LEAKING SLOWLY OUT OF A PLANET'S INTERIOR DOES EVENTUALLY GET RADIATED AWAY BY ITS SURFACE , MOST OF THE RADIATION THAT A

TERRESTRIAL PLANET EMITS IS SIMPLY RETURNING TO SPACE HEAT ENERGY THAT THE PLANET RECEIVED BY ABSORBING LIGHT FROM THE SUN- ULTRA VIOLET , VISIBLE AND INFRARED (BUT PRINCIPALLY VISIBLE) . THE... more

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Astronomy

05/07/14

SUPPOSE THAT THE SURFACE OF THE TEMPERATURE OF PLANET E IS 2.810 TO THE POWER OF 2 K . SUPPOSE PLANET E ORBITS A STAR S WITH SURFACE TEMPERATURE 5.610 TO THE

POWER OF 3 K AND RADIUS 7.2*10 TO THE POWER OF 5 kM. WHAT IS THE RATIO OF THE PEAK WAVELENGTHS OF RADIATION EMITTED BY STAR S TO THE PEAK WAVELENGTH OF RADIATION EMITTED BY PLANET E? WHAT IS THE... more

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Astronomy

05/07/14

AT PRESENT THE SURFACE TEMPERATURE OF THE SUN IS 610 TO THE POWER OF 3 K AND ITS RADIUS IS 710 TO THE POWER OF 8 m .

SUPPOSE THAT IN THE FUTURE ITS SURFACE TEMPERATURE DROPS TO 3*10 TO THE POWER OF 3 K, BUT ITS RADIUS INCREASES TO 7*10 TO THE POWER OF 9 m. DO YOU EXPECT THE COLOR OF THE SUN TO CHANGE , AND IF SO,... more

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Astronomy

05/07/14

SUPPOSE THE MASS OF PLANET E IS 610 TO THE POWER OF 24 KG AND THE MASS OF PLANET M IS 610 TO THE POWER OF 23 KG . WHAT

IS THE RATIO OF THE DENSITY OF PLANET M TO THE DENSITY OF PLANET E . DO YOU EXPECT PLANET M OR PLANET E TO HAVE A LARGER PROPORTION OF IRON ?

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weins law help

How frequently do these four planets line up with each other?

astronomy -please

astronomy- please need help

relationship between number of objects in a given area and how often those objects intersect another object in that area

Hubble Telescope question

why did they send the Hubble to orbit?

Baryon to photon ratio urgent help

if a car traveling at constant speed goes 70 miles in 2 hours, how far will it go in 24 hours

How many planets in our solar system

Astronomy question about comets

what is the average annual proper motion of Bergards Star

describe how External energy from the sun affects the movement of matter?

When is the Long Night moon?

determine the mass of Jupiter using data from its moon Sinope: period of orbit is 2.075 years, average orbital distance is 0.158 astronomical units.

Is Space really Elastic and Gravity of the Planets is a result of their bend of Space?

what is the source of the material that now makes up the Sun and the rest of the solar system

Looking up and seeing stars in circle formations. where could I be?

THE STAR BETELGEUSE IN ORION'S SHOULDER IS RED AND THE STAR RIGEL IN ORION'S KNEE IS BLUE .

BECAUSE IT FORMED FROM A CORE WITH SEVERAL EARTH MASSES IN A PLACE COOLER THAN EARTH

AS A RESULT OF HEATING BY THE PROTO -SUN WHEN THE SOLAR SYSTEM WAS FORMING

do not be misled . ALTHOUGH THE HEAT LEAKING SLOWLY OUT OF A PLANET'S INTERIOR DOES EVENTUALLY GET RADIATED AWAY BY ITS SURFACE , MOST OF THE RADIATION THAT A

SUPPOSE THAT THE SURFACE OF THE TEMPERATURE OF PLANET E IS 2.8*10 TO THE POWER OF 2 K . SUPPOSE PLANET E ORBITS A STAR S WITH SURFACE TEMPERATURE 5.6*10 TO THE

AT PRESENT THE SURFACE TEMPERATURE OF THE SUN IS 6*10 TO THE POWER OF 3 K AND ITS RADIUS IS 7*10 TO THE POWER OF 8 m .

SUPPOSE THE MASS OF PLANET E IS 6*10 TO THE POWER OF 24 KG AND THE MASS OF PLANET M IS 6*10 TO THE POWER OF 23 KG . WHAT

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SUPPOSE THAT THE SURFACE OF THE TEMPERATURE OF PLANET E IS 2.810 TO THE POWER OF 2 K . SUPPOSE PLANET E ORBITS A STAR S WITH SURFACE TEMPERATURE 5.610 TO THE

AT PRESENT THE SURFACE TEMPERATURE OF THE SUN IS 610 TO THE POWER OF 3 K AND ITS RADIUS IS 710 TO THE POWER OF 8 m .

SUPPOSE THE MASS OF PLANET E IS 610 TO THE POWER OF 24 KG AND THE MASS OF PLANET M IS 610 TO THE POWER OF 23 KG . WHAT