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Astronomy

05/07/14

SUPPOSE THE RADIUS OF PLANET E IS 6.410 TO THE POWER OF 3 KM AND THE RADIUS OF PLANET M IS 3.210 TO THE POWER OF 3 KM AND SEAS COVER THREE QUARTERS OF THE

SURFACE E , BUT M's SURFACE IS ALL DRY LAND . WHAT IS THE RATIO OF THE LAND SURFACE AREA OF PLANET E TO THE LAND SURFACE AREA OF PLANET M ?

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Astronomy

05/07/14

if outside forces do not act on a rotating body and it contracts , what if anything will happen to the rate at which it spins.

could someone explain this for me please ?

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Astronomy

04/30/14

ASSUME THAT EARTH AND MARS ARE PERFECT SPHERES WITH RADII OF 6,378 KM AND 3,390 KM RESPECTIVELY.

(A) CALCULATE THE SURFACE AREA OF THE EARTH . (B) CALCULATE THE SURFACE AREA OF MARS . ( C) 72% OF EARTH'S SURFACE IS COVERED WITH WATER . COMPARE THE AMOUNT OF EARTHS LAND AREA WITH TOTAL SURFACE... more

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Astronomy

04/30/14

EXPLAIN SOME OF THE EVIDENCE THAT MARS ONCE HAD LIQUID WATER ON ITS SURFACE .

HOW CAN THIS BE EXPLAINED ?

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Astronomy

04/30/14

A FAVORITE OBJECT FOR AMATEUR ASTRONOMERS IS THE DOUBLE STAR ALBIREO , ONE OF ITS COMPONENTS IS A GOLDEN YELLOW AND THE OTHER A BRIGHT BLUE .

WHAT DOES THESE COLORS TELL YOU ABOUT THE RELATIVE TEMPERATURE OF THE BLUER OBJECTS ?

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Astronomy

04/30/14

VOLCANOES HAVE BEEN FOUND ON ALL OF THE TERRESTRIAL PLANETS . WHERE ARE THE LARGEST VOLCANOES IN THE INNER SOLAR SYSTEM.

PLEASE HELP ME UNDERSTAND AND EXPLAIN THIS QUESTION ....

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Astronomy

04/30/14

ONE REGION ON THE MOON IS COVERED WITH CRATERS WHILE ANOTHER IS A SMOOTH VOLCANIC PLAIN . WHICH IS OLDER . HOW DO WE KNOW ?

COULD SOMEONE PLEASE HELP ME EXPLAIN THE ANSWER TO THIS QUESTION .

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Astronomy

04/14/14

NAME THE TERRESTRIAL AND THE GIANT PLANETS IN OUR SOLAR SYSTEM .

PLEASE HELP ME WITH THE NAMING OF THESE PLANETS AND TERRESTRIAL .

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Astronomy

04/14/14

WHY WERE THE FOUR GIANT PLANETS ABLE TO COLLECT MASSIVE GASEOUS ATMOSPHERE WHEREAS THE TERRESTRIAL PLANET COULD NOT ?

COULD SOMEONE PLEASE HELP ME UNDERSTAND THE QUESTION BY GIVING A SIMPLE EXPLANATION.

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Astronomy

04/14/14

WHY DO WE FIND ROCKY MATERIAL EVERY WHERE IN THE SOLAR SYSTEM, BUT LARGE AMOUNT OF VOLATILE MATERIAL ONLY IN THE OUTER REGIONS ?

WOULD YOU EXPECT THE SAME TO BE TRUE OF THE PLANETARY SYSTEMS . EXPLAIN YOUR ANSWER.

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Astronomy

04/14/14

HOW DOES THE LAW OF CONSERVATION OF ANGULAR MOMENTUM CONTROL A FIGURE - SKATERS RATE OF SPIN.

NEED HELP EXPLAINING THIS QUESTION PLEASE .

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Astronomy

04/14/14

WHAT IS THE SOURCE OF THE MATERIAL THAT NOW MAKES UP THE SUN AND THE REST OF THE SOLAR SYSTEM .

CAN SOMEONE PLEASE HELP EXPLAIN THE ANSWER TO THIS QUESTION .

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Astronomy

03/26/14

Compare the angular resolution of the Hubble Space Telescope (Aperture 2.4 meters)

WITH THAT OF A TYPICAL AMATEUR TELESCOPE (APERTURE 20CM)

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Astronomy

03/26/14

mANY AMATEUR ASTRONOMERS START OUT WITH A 4 INCH (APERTURE) TELESCOPE AND THEN GRADUATE TO A 16 INCH TELESCOPE . BY WHAT

FACTOR DOES THE LIGHT - GATHERING POWER ( WHICH GOES LIKE THE AREA) OF THE TELESCOPE INCREASE ?

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Astronomy

03/26/14

The advantage of an interferometer is that .

(a) the resolution is dramatically increased . ( b) the focal length is dramatically increased . ( c) the light - gathering power is dramatically increased . ( d) diffraction effects are... more

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Astronomy Physics

03/26/14

Two balls, one of gold with a mass of 100kg and one of wood with a mass of 1kg , are suspended 1 meter apart . What is the attractive force , in newtons , of

(a) the gold ball acting on the wooden ball ? (b)the wooden ball acting on the gold ball .

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Astronomy

03/22/14

ON THE VERNAL AUTUMNAL EQUINOXES WHAT HAPPENS

EXPLANATION AS TO EXACTLY WHAT HAPPENS AROUND THAT TIME

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Astronomy

03/22/14

THE TILT OF THE EARTHS AXIS CAUSES THE SEASONS BECAUSE

WHAT IS THE CORRECT ANSWER TO THIS QUESTION

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Answers •1

Astronomy

03/22/14

The speed of a planet in its orbit varies in its journey around the sun .

(a) at what point in its orbit is the planet moving the fastest . (b) at what point is it moving the slowest .

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Astronomy

03/22/14

An astronaut standing on earth can easily lift a wrench having a mass of 1kg , but not a scientific instrument mass of 100 kg.

in the international space station she is quite capable of manipulating both , although the scientific instrument responds much more slowly than the wrench . explain why

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Astronomy

03/22/14

suppose that you are pushing a small refridgerator of mass 50 kg on wheels . You push with force of 100N.

(A) What is the refrigerator acceleration . (B) Assume the refigerator starts at rest . How long will the refrigerator accelerate at this rate before it gets away from you , that is moving faster... more

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Astronomy

02/16/14

IF SOMEONES HEIGHT IS 5FT 6 INCHES WHAT WOULD BE THEIR ESTIMATED HEIGHT IN METERS .

PLEASE HELP WITH THE CALCULATIONS.

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Astronomy

02/16/14

A text book in 1945 stated that it takes 800,000 years for light to reach us from Andromeda Galaxy , BUT IT IS NORMALLY SAID IN TEXTBOOKS THAT IT TAKES 2, 500,

YEARS, what DOES THIS SAY ABOUT A SCIENTIFIC FACT AND HOW KNOWLEDGE CHANGES WITH TIME . CAN SOMEONE PLEASE EXPLAIN THIS FOR ME

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Astronomy

02/16/14

is it true or false that once a theory is proven in science ,scientists stop testing it .

could someone help me decide whether the answer is true or false .

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Astronomy

02/16/14

if a light year is the distance that light travels in one year , find the number of miles , meters and kilometers in one light year .

Can a tutor please help me answer this question showing all the possible calculations for this question need so as to me having a cleare idea on how to answer questions like these next time i come... more

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SUPPOSE THE RADIUS OF PLANET E IS 6.4*10 TO THE POWER OF 3 KM AND THE RADIUS OF PLANET M IS 3.2*10 TO THE POWER OF 3 KM AND SEAS COVER THREE QUARTERS OF THE

if outside forces do not act on a rotating body and it contracts , what if anything will happen to the rate at which it spins.

ASSUME THAT EARTH AND MARS ARE PERFECT SPHERES WITH RADII OF 6,378 KM AND 3,390 KM RESPECTIVELY.

EXPLAIN SOME OF THE EVIDENCE THAT MARS ONCE HAD LIQUID WATER ON ITS SURFACE .

A FAVORITE OBJECT FOR AMATEUR ASTRONOMERS IS THE DOUBLE STAR ALBIREO , ONE OF ITS COMPONENTS IS A GOLDEN YELLOW AND THE OTHER A BRIGHT BLUE .

VOLCANOES HAVE BEEN FOUND ON ALL OF THE TERRESTRIAL PLANETS . WHERE ARE THE LARGEST VOLCANOES IN THE INNER SOLAR SYSTEM.

ONE REGION ON THE MOON IS COVERED WITH CRATERS WHILE ANOTHER IS A SMOOTH VOLCANIC PLAIN . WHICH IS OLDER . HOW DO WE KNOW ?

NAME THE TERRESTRIAL AND THE GIANT PLANETS IN OUR SOLAR SYSTEM .

WHY WERE THE FOUR GIANT PLANETS ABLE TO COLLECT MASSIVE GASEOUS ATMOSPHERE WHEREAS THE TERRESTRIAL PLANET COULD NOT ?

WHY DO WE FIND ROCKY MATERIAL EVERY WHERE IN THE SOLAR SYSTEM, BUT LARGE AMOUNT OF VOLATILE MATERIAL ONLY IN THE OUTER REGIONS ?

HOW DOES THE LAW OF CONSERVATION OF ANGULAR MOMENTUM CONTROL A FIGURE - SKATERS RATE OF SPIN.

WHAT IS THE SOURCE OF THE MATERIAL THAT NOW MAKES UP THE SUN AND THE REST OF THE SOLAR SYSTEM .

Compare the angular resolution of the Hubble Space Telescope (Aperture 2.4 meters)

mANY AMATEUR ASTRONOMERS START OUT WITH A 4 INCH (APERTURE) TELESCOPE AND THEN GRADUATE TO A 16 INCH TELESCOPE . BY WHAT

The advantage of an interferometer is that .

Two balls, one of gold with a mass of 100kg and one of wood with a mass of 1kg , are suspended 1 meter apart . What is the attractive force , in newtons , of

ON THE VERNAL AUTUMNAL EQUINOXES WHAT HAPPENS

THE TILT OF THE EARTHS AXIS CAUSES THE SEASONS BECAUSE

The speed of a planet in its orbit varies in its journey around the sun .

An astronaut standing on earth can easily lift a wrench having a mass of 1kg , but not a scientific instrument mass of 100 kg.

suppose that you are pushing a small refridgerator of mass 50 kg on wheels . You push with force of 100N.

IF SOMEONES HEIGHT IS 5FT 6 INCHES WHAT WOULD BE THEIR ESTIMATED HEIGHT IN METERS .

A text book in 1945 stated that it takes 800,000 years for light to reach us from Andromeda Galaxy , BUT IT IS NORMALLY SAID IN TEXTBOOKS THAT IT TAKES 2, 500,

is it true or false that once a theory is proven in science ,scientists stop testing it .

if a light year is the distance that light travels in one year , find the number of miles , meters and kilometers in one light year .

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SUPPOSE THE RADIUS OF PLANET E IS 6.410 TO THE POWER OF 3 KM AND THE RADIUS OF PLANET M IS 3.210 TO THE POWER OF 3 KM AND SEAS COVER THREE QUARTERS OF THE