Sunday

April 19, 2015

April 19, 2015

Number of results: 3,604

**science**

I have to find out some facts about the dwarf planet vulcan. I have tried wikipedia but it was no help. Can any one please give me some facts or websites that can. This may be what you need. http://www.space.com/scienceastronomy/astronomy/epsilon_vulcan_000804.html
*February 9, 2007 by liza*

**astronomy**

Which statement gives the relationship between the waves in the electric and magnetic fields in an electromagnetic wave? a)they are in phase and parrallel to each other in space b)they are 90 degrees out of phase but parrallel in space c)they are in phase but perpendicular to ...
*September 12, 2010 by Anonymous*

**astronomy**

why is it necessary for ultrviolet telescopes to be placed on a space-based platform? thanks
*March 3, 2008 by amy21*

**Astronomy**

True or False? Galaxies are distributed randomly and approximately uniformly in space.
*June 18, 2014 by querty*

**Astronomy and Space**

Using a telescope, which planets acn be observed from Earth in a crescent moon phase?
*September 14, 2010 by Dan*

**Astronomy Grade 9**

What hazards do humans face when they are in space and what technologies have been developed in response to these hazards?
*November 29, 2012 by Curly Sue*

**Astronomy Grade 9( PLEASEEE HELP!!!!!!!!!!!!!!)**

What hazards do humans face when they are in space and what technologies have been developed in response to these hazards?
*November 29, 2012 by Curly Sue*

**Astronomy**

In what ways do Earth and the moon move through space? How do these motions produce such phenomena as day and night, the seasons, phases of the moon, and eclipse?
*May 12, 2011 by Peter*

**astronomy & space**

What is the redshift of a galaxy which lies at a distance of 50 mpc, asssuming that the hubble constant is H_0 = 67 km s^-1 Mpc^-1? assume that the speed of light is c=3.0x10^5 Km s^-1 please answer to an accuracy of 2 sig figs. Thankyou.
*May 5, 2009 by mathew -b*

**Astronomy**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*April 23, 2012 by Leila*

**Astronomy**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*April 23, 2012 by Leila*

**Astronomy**

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?
*April 23, 2012 by Leila*

**Astronomy 1010**

The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
*January 17, 2012 by Frank*

**Astronomy 1010**

The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
*January 17, 2012 by Frank*

**astronomy**

what good has astronomy produced?
*September 5, 2011 by Varia*

**astronomy**

Two stars in a binary system are determined from their position on the H-R diagram and the mass-luminiosity relation to have a combined mass of 8 M. Their orbital period, P, is 1 year. What is their orbital seperation, a? http://en.wikibooks.org/wiki/Astronomy/Mass
*April 27, 2007 by Sethi*

**Algebra II -Please help**

Assign each letter and a blank space to a number as shown by the alphabet table. 0=_ 1=A 2=B 3=C 4=D 5=E 6=F 7=G 8=H 9=I 10=J 11=K 12=L 13=M 14=N 15=O 16=P 17=Q 18=R 19=S 20=T 21=U 22=V 23=W 24=X 25=Y 26=Z use matrix [1 -2] -3 7 and encode the phrase "One Question to go" o=15 ...
*April 7, 2014 by Cassie*

**astronomy**

Observations with the Hubble Space Telescope revealed a planet about 16 AU from a star whose mass is the same as our Sun’s mass. How long does it take the planet to orbit the star?
*March 23, 2009 by Anonymous*

**Astronomy**

If a space probe were sent into orbit around the sun that brought it as close as 0.5 AU to the sun and as far away as 5.5 AU, what would its orbital period be? Can I use Kepler's 3rd law for this? I'm not sure how to take into account both AUs...
*March 17, 2008 by Lindsay*

**Astronomy**

Few question about astronomy: 1.how many centimetres is equivalent to a light-nanosecond 2. How long is an astronomical unit (AU) in light-minutes (1min, i.e., the distance that light travels in a vacuum in one minute)? Please show the calculation if there is any Thanks
*September 13, 2011 by KD*

**Physics**

A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the push. If the push lasts...
*October 26, 2010 by Nikohl*

**Physics**

A 160 kg astronaut (including space suit) acquires a speed of 2.20 m/s by pushing off with his legs from an 1950 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the push. If the push lasts...
*October 26, 2010 by Nikohl*

**Physics**

A 120 kg astronaut (including space suit) acquires a speed of 3.00 m/s by pushing off with his legs from an 1900 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the push. if the push lasts...
*November 17, 2010 by Linda*

**PLEASE HELP-PHYSICS HW**

A 130 kg astronaut (including space suit) acquires a speed of 2.80 m/s by pushing off with his legs from an 2000 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the push. If the push lasts...
*November 20, 2011 by m*

**math**

how many different tetrahedrons are determined by ______ given no four are coplanar? 4 points in space 9 points in space 15 points in space n points in space
*November 17, 2011 by Cody*

**physics**

Two Astronauts A and B are working in the space shuttle in the space.Suddenly the hammer falls from the hands of astranaut in space. who will hear most sound,Astranonaut A or B .and why?
*March 15, 2011 by christina*

**astronomy**

what are the contributions of astronomy?
*August 29, 2011 by Varia*

**astronomy**

what is the meaning of astronomy?
*August 28, 2011 by Anonymous*

**Microsoft Word**

Is is possible to do this? It a requirement by my teacher but I just can't seem to do it. " singled space text within questions and double space between your questions".- If I single space the text within the questions, won't that make it single space between each questions ...
*May 15, 2012 by Shadow*

**Geometry**

Mr. Thompson has been asked to add storage space to a garage. He estimates 6 square feet per individual will be required to meet the needs of 12 people. If the storage space is 15% of the total amount of space required, how much total space does Mr. Thompson have?
*January 18, 2011 by Ivan*

**Astronomy**

The Hubble Space Telescope orbits at an altitude of 600 km above the Earth's surface. Assuming it is in a stable circular orbit, what is its velocity? For reference, the Earth's radius is 6400 km and Earth's mass is 6 x 10^24 kg. The formula to solve for circular velocity is v...
*February 15, 2015 by Allison*

**Exploring Space**

rocket engines which work in space still need oxygen 4 the fuel to bur. space is a vacuum. where does the oxygen come from? I'm stumped on this, can someone please lend me help, thanks
*March 15, 2010 by Sara*

**Physics (please help)**

An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space with a speed of 754 m/s...
*March 3, 2011 by Abigail*

**Physics (please help!!!!)**

An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space with a speed of 754 m/s...
*March 3, 2011 by Abigail*

**Astronomy**

Mergers of two supermassive black holes will be major sources for observations of gravitational waves in the future. What do gravitational detectors aim to detect? -Tiny shifts of fixed objects due to the rippling of space. -Sound waves carried by cosmic ray particles. -Tiny ...
*March 16, 2013 by qwerty*

**math**

A rental agent is renting a space for $7.50 a square foot. If you require a space 36 ft. by 16 ft., what will be the rental on that space?
*April 5, 2014 by Anonymous*

**math**

I have a diagram of an occupied building space within a larger building represented by 49 equal squares but no linear measures for the sides. The space is 120,000 sq ft. how can i estimate the lengths and widths of the floor space with just this information?
*December 13, 2012 by Barry*

**Physics**

A 170 kg astronaut (including space suit) acquires a speed of 2.75 m/s by pushing off with his legs from a 2400 kg space capsule. What is the average change in speed in meters/second of the space capsule?
*July 12, 2013 by Ryan*

**Math**

Andie is designing a rectangular play space for her dogs. The length of the play space is 7ft. and the width is 6ft. The new space will have a length and width twice the dimensions of the current space. She needs to purchase sod to cover the ground inside the play space. Write...
*October 15, 2013 by Taryn*

**biology**

please help me unscrample the following words: (the space means thate the anagram has two words in it, but the space is not necessarily at the space) rmns teizysecntiore nt roetssieitrsic id ksdxlne so derrecisgntdie Thank you very much for your time! -Lily ...
*March 19, 2007 by Lily*

**science**

Objects take up space and move through space different ways. Scientists use these differences to make models. For example, how a rubber band stretches helps you "see" the force acting on it. How could you use space relationships to model Earth and its moon?
*March 24, 2010 by Anonymous*

**History**

NASA, space shuttles, and the International Space Station are (a)all related to Cold War spy technology (b) joint scientific study and space exploration efforts (c) United States efforts to build anti missile defenses (d) belief in extraterrestrial life
*February 3, 2013 by Beth*

**math**

Below is a sample space for a family with 3 children. BGG stands for the oldest child being a boy, the middle child a girl, and the youngest a girl. Use the sample space to answer the question: How many outcomes are in the sample space? Sample Space BBB BBG BGB BGG GBB GBG ...
*April 5, 2012 by Cheril*

**Exploring Space**

what wud hold the cable of a space elevator up? Would it be earth's gravity holding the cable of a space elevator up?
*March 15, 2010 by Sara*

**algebra please ck.**

joe wants to spend 70. dollars at most and has 60 cu inches of space left in his soldier's care package. candy costs $7 and takes up 3 cu inch of space phone cards cost $5. and take up 15 cu in. of space. Is this correct? if not please change it or tell me how ??? thanks ann 1...
*February 16, 2012 by ann*

**science**

CAN ONE IN THEORY OR ACTUAL DEPRIVE A PARTICULAR AREA OF SPACE; 1sq mile of space of oxygen while the surrounding area of space has normal levels of oxygen?.... This question is not limited by the use of other chemicals or machinations to achieve GOAL....
*February 24, 2015 by mike*

**Astronomy**

Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Be sure to include references of your sources. Be careful to avoid using ...
*May 15, 2007 by Ron*

**Physics: Astronauts and space**

When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth.The distance separating the center of the earth from the center of the ISS is then approximately equal ...
*April 19, 2010 by HELP ME!!*

**heat transfer**

the temperature in deep space is close to absolute zero,which presents thermal challenges for the astronauts who do space walks.propose a design for the clothing of the astronauts that will be most suitable for the thermal environment in space.defend the selections in your ...
*March 22, 2015 by whj*

**math**

25. The Great Pyramids weigh 6x10^9 kilograms. The Space Shuttle weighs 2x10^6 kilograms. How many times heavier are the Pyramids than the Space Shuttle? A.The Pyramids are 3 times heavier than the space shuttle. B.The pyramids are 30 times heavier than the Space shuttle. C....
*April 12, 2015 by Rabie*

**Math**

Given that a sample space is discrete if it contains either a finite number of points or a countably infinite nunber of points and a sample space is continuous if it contains uncountable number of points 1) if two distinct points on a circle radius 'r' are chosen at random and...
*March 17, 2013 by Fibin*

**ryan**

You propose to build a space ship that allows the entire population of the United States (280 million) to leave earth. Your plans allocate an average space of 1,000(=10*10*10) cubic feet to each person. You space ship is going to have the shape of a sphere. The radius of you ...
*October 8, 2010 by math word problem*

**Physics**

Futurists project large space stations which would rotate so as to use centripetal acceleration to simulate gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts ...
*June 8, 2014 by Anonymous*

**Proves**

Two lines intersect to form angle 1 comma space angle 2 comma space angle 3 comma space a n d space angle 4. The measure of angle 3 is 3 times the measure of angle 1 and m angle 1 equal m angle 2. Find the measure of each angle. Label your answers.
*October 14, 2014 by Anonymous*

**pre algebra answer check**

You are standing 400 feet from the base of the Space Needle in Seattle, Washington. Using a laser range finder, you measure the distance to the top of the Space Needle to be 725 feet. Find the height of the Space Needle to the nearest foot. I got 629 ft.
*May 29, 2012 by amy*

**Math**

Radius of earth 3,959 miles Space shuttle orbits 200 miles above earths Surface Space shuttle completes 220 degrees of a Revolution around earth in one day What is the average speed of the space Shuttle
*October 21, 2012 by Chris*

**Math**

Radius of earth 3,959 miles Space shuttle orbits 200 miles above earths Surface Space shuttle completes 220 degrees of a Revolution around earth in one day What is the average speed of the space Shuttle
*October 21, 2012 by Chris*

**math**

Jamiebeatimates that,when he arrives at work tomorrow morning,there is a probability that 0.4 that he will find a convenient parking space. What is Jamie to say? A. It is very unlikely that he will find a convenient parking space. B.it is somewhat unlikely that he will find a ...
*January 22, 2015 by shannon*

**university physics**

It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station in constructed as a 1170.0 m diameter cylinder that rotates about its axis. The inside surface is the deck of the space station. What rotation period (in s) will provide...
*October 17, 2011 by ....*

**Astronomy**

Need some help with Astronomy. I need to figure out the acceleration of gravity on the surface of certain planets. For example, I need to find the acceleration of gravity on Mars when the mass is .11 times the mass of Earth and the radius is .53 times the radius of Earth. ...
*October 26, 2008 by TAG*

**Space Science**

What are some possible jobs relating to the space industry?
*March 11, 2008 by Dylan*

**space**

does taking a photo from outer space help earth spherical shape?
*October 7, 2009 by Anonymous*

**science**

what is the speed needed to launch a space crop in outer space?
*November 4, 2009 by Anonymous*

**Calculus**

explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
*May 10, 2012 by J*

**math**

The area of a rectangular space is 128 square feet. a. Find all the possible pairs of whole number dimensions in feet. b. Explain which pair allows enough space for a car to park. c. If the length of the space is x feet, how would you describ e the width using the area and the...
*March 20, 2014 by Anonymous*

**space**

the pull of gravity between earth and the sun acts across how many kilometers of space.
*January 10, 2011 by anisyn*

**algebra**

I have a space 43 foot long, and 22 stones 10 1/2" diameter each, how far apart to space them?
*March 3, 2011 by Mary*

**Calculus / a bit of physics**

explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
*May 17, 2012 by j*

**science**

how long have we been sending people into space? Or.. when did space exploration start?
*April 17, 2011 by Help me please :P*

**space**

A _ has a long life cycle Theme:space and planets
*November 9, 2010 by Megan Sexton*

**space**

How many socks would it take to fill the space shuttle
*January 9, 2011 by Zoe*

**Stats for Psychology**

Not sure how to rewrite this question: ht tp://img221. imageshack.us/ img221/601/question2. jpg Get rid of all the spaces to see image of question: Delete the space between ht and tp delete the space between 221. and imageshack delete the space between us/ and img delete the ...
*March 27, 2012 by Arianna*

**Space Exploration**

Space is our final frontier. Agree or disagree. Then explain I really don't know the answer to this. I don't think it is true, but then again, I'm not sure. Why I don't think it is true is because scientists are still making discoveries; they are still learning about our space...
*March 9, 2010 by Sara*

**Physical Education**

"what are the properties of space and what is general space"?
*September 9, 2009 by JHORDANA*

**space**

What is the role of chemistry in outer space exploration?
*July 14, 2011 by bev*

**earth and space**

the grams on the moon is different then space ?
*September 14, 2011 by breanna*

**architecture**

what is space? what does mean a space structure? what is spacer?
*June 21, 2014 by gutema *

**Physics**

The space shuttle is in a 3e+5 m high orbit over the earth. The radius of the earth is 6.37e+6 m, the mass of the earth is 5.98e+24 kg. What is the distance from the center of the earth to the space shuttle? I don't know whether I would double the radius and the add the height...
*January 31, 2015 by Carly*

**astronomy**

Even though I do not believe the Big Bang is what created the universe(although what people clam the bing bang was would have been similar to what happened when God said "Let there be light" I still have astronomy hw. haha. I am having trouble with this question. The big bang ...
*April 5, 2015 by sara*

**Science**

An astronaut is walking in space and his jetpack runs out of fuel. How can he use his empty pack to get back to the space station?
*May 8, 2012 by Joan*

**English**

Toss a coin. And if you get a head, move one space forward, and put a marker in the space. If you get a tail, move two spaces. Look at the word or picture on the space. By using it, make a sentence on the right side of the page. (Would you check the writing and correct errors...
*May 19, 2012 by rfvv*

**Science**

Why are space telescopes able to make better observations in the ultraviolet and infrared ranges than ground-based telescopes? A)space telescopes are closer to the objects that they are observing B) the atmosphere absorbs or reflects much of the UV and IR radiation C) space ...
*April 15, 2012 by Elena*

**Chemistry**

Your space ship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled 24oC at a pressure of 689 mm Hg. A balloon with a volume of 426 ml drifts into the airlock where the temperature is -88oC and the pressure is 0.160 atm...
*March 25, 2013 by Linzy*

**Physics**

Your teacher used to think he could move an entire space station, floating weightless in space, with a mere push of his pinkie finger. Was he correct?
*April 26, 2012 by Anonymous*

**physics**

Your teacher used to think he could move an entire space station floating weightless in space with a mere push of his pinkie finger. Was he correct?
*April 28, 2012 by Anonymous*

**physics**

if you were in a spaceship in the furthest depths of space, and you fired a cannonball into space, what force would you have to exert on the ball to keep it moving?
*May 2, 2012 by lisa*

**problem solving**

100 guests each guest needs 3 m2 of space average density of the area is 10kg/m2. how much space does the dining room take up?
*July 28, 2013 by Bob*

**space**

why is outer space considered science?
*September 22, 2009 by Sameera*

**space**

How much is 2000 kg in outer space?
*April 19, 2011 by Ray*

**science **

how can space change your weight in space
*February 14, 2013 by kelsey*

**math**

The new fitness center will have 69,750 square feet of usable space. That's 3 times the amount of fitness center space compared to the old center, How much usable space does the old center contain
*December 19, 2009 by kyn*

**Chemistry**

Your space ship has docked at a space station above Mars. The temperature inside the space station is 24oC at a pressure of 745mmHg. A balloon with a volume of 425mL drifts into the airlock where the temperature is -95oC and the pressure is 0.115 atm. What is the new volume of...
*November 14, 2013 by Marissa*

**Art**

I don't get this question on my textbook. "List at least three ways Velazquez used space to intrigue the viewer in Las Meninas." I'm not too sure on how I describe the space.
*January 3, 2010 by Anonymous*

**math**

the space in front of a temple is of length 12 metres and breadth 9 meters .on this space,square tiles 75cm are to be fitted find the number of titles required
*November 23, 2010 by aarish*

**physics**

A space station Radar locates sattelites A and B at a certain moment: A_0=(a_1,0,1^3), B_0=(0,b_2,b_3) the space station is located at (0,0,0) and the sattelites moves with a uniform velocity related to the space station: v_A=(V_A,0,0), v_B=(V_B,V_B,0) what is the minimal ...
*November 2, 2014 by Adam*

**stor **

Twitter: Suppose that the population proportion of Internet users whosay they use Twitter or a similar service to post updates about themselves or to see updates about others is 19%. Think about selecting random samples from a population in which 19% are Twitter users. a) ...
*September 17, 2012 by ami*

**Statistics**

80. Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100 students. a. What is the...
*March 13, 2015 by Howard*

**computers**

If a term paper consisted 42 pages,each containing 40 lines of 100 symbols each (counting each space as symbol)was to be encoded using unicode, how many bytes of storage space would be required?
*October 25, 2009 by Ryan*

**Exploring Space**

this is one questio which I'm stumped on. = y must we be able to travel at the speed of light to explore space. I don't realy know how to explain myself clearly and put that into an answer. I dont get this
*March 3, 2010 by Sara*

**Space - Sally Ride - Accomplish**

What did Sally Ride accomplish and what did it mean for us? I know she was the first women in space, but what did she do in space?
*August 31, 2012 by Anonymous*