And the answer is... Scientists are able to detect a black hole by looking at the behavior of objects in the area where they suspect a black hole may exist. Black Hole - Webquest and Answer Key (NASA Website: What is a Black Hole?) A supernova of a star more than about 10 times the size of our sun may leave behind the densest objects in the universe—black holes. Mergers like these also make black holes quickly, and produce ripples in space-time called gravitational waves. The black hole is tiny, and you don't … - 6 page webquest with answer key on the science and details behind black holes. If the core, or central region, of the star has a mass that is greater than three Suns, no known nuclear forces can prevent the core from forming a deep gravitational warp in space called a black hole. Abstract. horizon of the supermassive black hole? In what section can the Journey into a Black Hole movie be found? 9-12 45 Diagraming a Star Collapsing Into a Black Hole 9-12 46 Light Cones Inside and Outside a Black Hole 9-12 47 Black Holes that Rotate 9-12 48 The tremendous amounts of energy carried by these sound waves may solve a longstanding problem in astrophysics. A supermassive black hole with millions to billions times the mass of our sun is seen in an undated NASA artist's concept illustration. (NASA) – A black hole is a region in space where the pulling force of gravity is so strong that light is not able to escape. Your students will be engaged and excited to use technology in the classro ... More » Do black holes really exist? The Answer is Blowing in the Black Hole Wind Feb 19, 2015 This plot of data from two space telescopes, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and the European Space Agency's (ESA's) XMM-Newton determines for the first time the shape of ultra-fast winds from supermassive black holes, or … Competition ensures flexibility and keeps costs low by selecting methods and technologies. The first ever black hole photo may be a milestone in science, but it turns out the telescope array used to capture it is just as groundbreaking. 0000004246 00000 n Answer: The gas around you would be glowing yellow if you were near a black hole with 50 times the suns mass, but would shine in ‘blood red’ crimson light if you were near a 10 solar mass black hole. Black Hole - Webquest and Answer Key (NASA Website: What is a Black Hole?) 0000030266 00000 n Black holes form at the end of some stars’ lives. A black hole is an invisible entity in space with a gravity pull so strong that light cannot escape. 0000008394 00000 n Black Hole - Webquest and Answer Key (NASA Website: What is a Black Hole?) A black hole is believed to be the “engine” that emits a brilliant jet of high-speed electrons (diagonal line across image). Don't believe it when people say that we will all fall into a black hole. 161 0 obj<>stream 0000008622 00000 n Could a human enter a black hole to study it? The pull is strong due to the tiny space into which all the mass of the star has come to occupy. The result is a gravitational field so strong that nothing, not even light, can escape. Problem 5 - Which black hole could a human enter without being spaghettified? The most common types of black holes are the remains of supernovae - the explosions of massive stars. Answer - D2 = (300,000 km/sec)2 (10,800 sec)2 - 22 - 32 - 12 = +1.05 x 1019 kilometers. But there are a few keys that reveal a black hole's presence. Rather, it is a great amount of matter packed into a very small area - think of a star ten times more massive than the Sun squeezed into a sphere approximately the diameter of New York City. These black holes pack in about four to a few tens of solar masses. A black hole has two basic parts. Are you getting the free resources, updates, and special offers we send out every week in our teacher newsletter? trailer This disk (called an accretion disk) gets super, super hot, so hot that it releases X-rays. What is the hyper-distance between them? 0000003217 00000 n Black holes are formerly "ordinary" stars stars that have burned out or been compressed. Because no light can get out, people can't see black holes. • Black Hole Probe: Take a census of black holes in the local Universe. Recommended Annotation Visible only to you. The main goal of this program remains to study the evolution of a black-hole transient in exceptional detail and answer key questions that, although partially answered by our AO10 program, can only be addressed with RXTE. 0000001664 00000 n More mysterious are the giant bla… If the core's mass is more than about three times the mass of the Sun, the equations showed, the force of gravity overwhelms all other forces and produces a black hole. We propose a quasi-continuous look at a black-hole transient in outburst and request that the data become public immediately. The result is a gravitational field so strong that nothing, not even light, can escape. These relatively small black holes can also be made through the merger of two dense stellar remnants called neutron stars. ... That’s a different question than the question we’re asking about black holes, and so we get a different answer. 0000009692 00000 n A black hole and its shadow have been captured in an image for the first time, a historic feat by an international network of radio telescopes called the Event Horizon Telescope (EHT).EHT is an international collaboration whose support in the U.S. includes the National Science Foundation.. A black hole is an extremely dense object from which no light can escape. A black hole is an area of such immense gravity that nothing—not even light—can escape from it. When a star runs out of nuclear fuel, it will collapse. Rather, it is a great amount of matter packed into a very small area - think of a star ten times more massive than the Sun squeezed into a sphere approximately the diameter of New York City. Don't let the name fool you: a black hole is anything but empty space. Keep it at a distance, and you are OK (or at least as OK as if the black hole was a star or a planet of the same mass). 0000000016 00000 n Black holes can be produced by supernovae, but other production mechanisms are possible. This really is a black hole, as predicted by General Relativity. The strong gravity occurs because matter has been pressed into a tiny space. A neutron star can also merge with a black hole to make a bigger black hole, or two black holes can collide. Note: Astrophysicists have studied and modeled these kinds of events for decades, and it is generally agreed that gamma-ray bursts are probably caused by beams of particles and radiation leaving the vicinity of the black hole. Reported resources will be reviewed by our team. Includes 16 questions from NASA website on "What is a Black Hole?". 0000030192 00000 n 0000030342 00000 n The answer is the size. 0000009449 00000 n x�b```a``+c`c`P� �� �@Q��ֽ�0`�n��=sC%b�bJ���ii@ �SK�h �V�;�@Z�5�"*���d>�+�9�4X63. This … Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials. 13.Why is the Moon lopsided? Unable to save at this time. A stellar-mass black hole, with a mass of tens of times the mass of the Sun, can likely form in seconds, after the collapse of a massive star. One plasma flow is pushed against the black hole's spin, ... mining energy from black holes could be the answer to our future power needs. (A site for ages 14 and up.) The event horizon is the boundary that marks where the escape velocity from the mass is the speed of light. To the public, black holes are mysterious points of no return that capture the imagination. 0000001964 00000 n Jun 20, 2015 - Explore one of the great mysteries of the universe with this space science worksheet on black holes. 0000003519 00000 n 0000002123 00000 n Actually some scientists have really found a Black Hole emitting material. supernovas) that is causes as it rips other stars apart. 9. Your students will be engaged and excited to use technology in the classro "Whether they are massive black holes, or there is new physics in how they feed, the answer is going to be fascinating." The singularity is at the center and is where the mass resides. In the image, the two bright spots that appear entangled in the arms of the IC342 galaxy are the black holes. 0000030414 00000 n This discovery was made using an array of advanced radio telescopes. xref These missions will answer sharply focused questions. What is the difference? Gas from the companion star can get pulled towards the black hole, which then spirals around the black hole. 12.What does an MMU weigh on Earth? Leo Rodriguez and Shanshan Rodriguez, CC BY-ND Curious Kids is a series for children of all ages. The Crab Nebula is the leftover, or remnant, of a massive star in our Milky Way that died 6,500 light-years away. 0000002550 00000 n 0000013607 00000 n startxref 0000002766 00000 n A black hole. Return to the StarChild Main Page: Go to Imagine the Universe! 0 The giant elliptical galaxy M87 is located 50 million light-years away in the constellation Virgo. The gravity is so strong because matter has been squeezed into a tiny space. 10.According to the East Indian myth, what was the name of the dog honored by the constellation containing the star Sirius? 119 0 obj <> endobj Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. These missions will answer sharply focused questions. • Black Hole Probe: Take a census of black holes in the local Universe. 0000005378 00000 n Menu Problem 6 - Inside a black hole, the formula for D2 changes to D 2 = c2T2 - X2 - y2 - z2 Suppose Events A and B are now happening inside the black hole. According to NASA, discovering the supermassive black holes were a key piece of a puzzle first uncovered in 1962. 0000003983 00000 n Responsible NASA Official: Phil Newman. Black holes are points in space that are so dense they create deep gravity sinks. Falling Into a Black Hole 7 An object that falls into a black hole will cross the Event Horizon, and speed up as it gets closer. If really NASA would send a rocket in, the information collected will never reach us, as nothing can escape a black hole! Time Distortion Near a Black Hole 9-12 42 Exploring Gravity Near a Black Hole 9-12 43 Falling into a Black Hole and Travel Time 9-12 44 What Happens Inside a Black Hole? As explained by NASA, a black hole is a location in space where gravity pull is so high that it does not even let out the light from it. Includes 16 questions from NASA website on "What is a Black Hole?". - 6 page webquest with answer key on the science and details behind black holes. A black hole is a region in space where the pulling force of gravity is so strong that light is not able to escape. Sept. 9, 2003: Astronomers using NASA's Chandra X-ray Observatory have found, for the first time, sound waves from a supermassive black hole.The "note" is the deepest ever detected from any object in our Universe. The black hole’s effects on the companion star are observable by us here on Earth – effects like a black hole slowly cannibalizing its companion. - 6 page webquest with answer key on the science and details behind black holes. 0000030098 00000 n The bright cluster galaxy A2261-BCG appears to have lost its black hole and some scientists think it could now be floating through space. There is a lot more to be said about black holes, but this covers a lot of the basics. Competition ensures flexibility and keeps costs low by selecting methods and technologies. The star was the size of our sun. Measurements of star orbits near this black hole suggest that there may be a second companion black hole nearby. Gas from the companion star can get pulled towards the black hole, which then spirals around the black hole. Because of this, the Your students will be engaged and excited to use technology in the classroom while learning about the exciting facts of a Black Hole. 0000004323 00000 n Includes 16 questions from NASA website on "What is a Black Hole?". Both views reflect a fascination with the question: What happens at the edge of a black hole? A black hole is a place in space where gravity pulls so much that even light can not get out. The finding is the first to support a decades-old prediction, opening up myriad opportunities to better understand the universe. 0000002916 00000 n The Teacher-Author has indicated that this resource can be used for device-based learning. They are invisible. 0000005600 00000 n - 6 page webquest with answer key on the science and details behind black holes. - 6 page webquest with answer key on the science and details behind black holes. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Astronomers released the eerie image of the black h… Many galaxies for instance, including our own, may have super-massive black holes at their centers, which have grown by accretion where the galactic densities were highest. This image was the first direct visual evidence of a supermassive black hole and its shadow. A black hole is a region of space from which nothing, not even light, can escape. – Pulkeet, age 12, … A person falling into a black hole and being stretched while approaching the black hole's horizon. So that’s basically what a black hole is. 119 43 %%EOF The object at the center of M87 fits the description of a black hole. 0000041805 00000 n Answers to Common Questions About Black Holes What is a black hole? 0000009736 00000 n This Black Hole is at a distance of 1.5 billion light years from our Earth and is located in a different galaxy. Robonaut is a NASA robot that can do boring or dangerous jobs. To understand how such black holes can form, let us briefly review the life cycle of a massive star. 0000010329 00000 n REPLY <<3DA2FF651AF0614FA442E4B29BE7934C>]>> Measuring the Speed of Gas Near a Black Hole 72 NASA’s RXTE spacecraft recently recorded rhythmic x-ray flashes from the black hole candidate called IGR J17091-3624. High-energy X-ray light has been translated into the color magenta, while the galaxy itself is shown in visible light. The black hole is 6.5 billion times more massive than the Sun. A person falling into a black hole and being stretched while approaching the black hole's horizon. 0000004913 00000 n Includes 16 questions from NASA website on "What is a Black Hole?". – Pulkeet, age 12, … Don't let the name fool you: a black hole is anything but empty space. 0000035632 00000 n What is a black hole? 0000003368 00000 n (Credit: NASA's Imagine the Universe) Usually a very dense core is left behind, along with an expanding cloud of hot gas called a nebula. This disk (called an accretion disk) gets super, super hot, so hot that it releases X-rays. As a follow-up to our very successful public AO10 program, we propose another quasi-continuous look at a black-hole transient in outburst. Black hole at the centre of the massive galaxy M87, about 55 million light-years from Earth, as imaged by the Event Horizon Telescope (EHT). 0000001488 00000 n Answer: a = 2 x (6.67 x 10-8) x (1.9 x 10 41) x 200 / (2.95 x 10 13) 3 = 0.00020 cm/sec 2 Note that R + 2 meters is essentially R if R = 295 million kilometers. NASA, ESA, T. Brown, S. Casertano, and J. Anderson (STScI) One of the world’s most famous telescopes went searching for a single black hole, and unexpectedly found a bunch of smaller black … 0000007522 00000 n Would work great as a part of a space or solar system unit of study! The Answer. 0000003947 00000 n It is the result of the deformation of spacetime caused by a very compact mass. 0000030586 00000 n Probably. Problem 7 - If an observer defines 'time' as the part of D 2 If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. The energy that held the star together disappears and it collapses in on itself producing a magnificent explosion. New observations with NASA's Chandra X-ray Observatory have clocked the fastest wind ever seen blowing off a disk around this stellar-mass black hole. Problem 2 - NASA's ROSSi satellite was used in 2004 to determine the mass and radius Programs of technology development and research in preparation for two “Vision Missions” reaching to the ends of space and time 0000008213 00000 n It is more practical to observe a black hole, by looking at how it bends light that passes by or looking at the spectacular light shows (e.g. A black hole is an astronomical object with a gravitational pull so strong that nothing, not even light, can escape it. Stellar-mass black holes are born when … EXPERTS have been left astonished after a supermassive black hole which was thought to be in the middle of a distant galaxy has gone missing. 11.What instrument did Antonio Vivaldi play? 0000002616 00000 n This phenomenon, called a tidal disruption event, is very rare. 0000001178 00000 n The main goal of this ambitious program is to study the evolution of a black- hole transient in unprecedented detail and answer key questions that, in the foreseeable future, can only be addressed with RXTE. Programs of technology development and research in preparation for two “Vision Missions” reaching to the ends of space and time Black Hole - Webquest and Answer Key (NASA Website: What is a Black Hole?) A black hole is an object with such powerful gravity that nothing can escape from it, including light. 0000030487 00000 n Image credit: NASA. If you've ever seen an article with a title … 0000003066 00000 n For one, a black hole's intense gravity tugs on any surrounding objects. A supermassive black hole can have a mass of 100 million times the sun. The black hole is a member of a binary system that combines a normal star, with a black hole that may weigh three times the sun's mass. Astrophysicists have discovered a dozen black holes gathered around Sagittarius A* (Sgr A*), the supermassive black hole in the center of the Milky Way Galaxy. There is a massive black hole in the center of the Milky Way galaxy. 0000010937 00000 n 0000009289 00000 n “In some ways, this blast is similar to how the eruption of Mt. hole is R = 3 x M, the mass of the black hole is 43 million = 3 x M, or M = 14 million solar masses. The black hole’s effects on the companion star are observable by us here on Earth – effects like a black hole slowly cannibalizing its companion. 0000006279 00000 n 0000006887 00000 n Answer Key: Problem 1 - The Schwarschild Radius of a black hole is given by the formula R = 2.83 M, where R is the radius in kilometers, and M is that mass of the black hole in units of the sun's mass. What is a black hole? Photo courtesy of NASA. Most famously, black holes were predicted by Einstein's theory of general relativity, which showed that when a massive star dies, it leaves behind a small, dense remnant core. This record-breaking, gargantuan eruption came from a black hole in a distant galaxy cluster hundreds of millions of light-years away. TESS, a NASA planet-hunting satellite takes images of a black hole shredding apart a star. The biggest explosion seen in the universe has been found. Black Hole - Webquest and Answer Key (NASA Website: What is a Black Hole?) Leo Rodriguez and Shanshan Rodriguez, CC BY-ND Curious Kids is a series for children of all ages. Could a human enter a black hole to study it? %PDF-1.4 %���� Includes 16 questions from NASA website on "What is a Black Hole?". For the very first time NASA captured a black hole while it was ripping apart a star. A Black Hole Imager [3] (BHI) would answer this question by directly resolving the event horizons of black holes (BHs). This can happen when a star is dying.