TOPICS: Astrobiology Astronomy Astrophysics Exoplanet Max Planck Institute Popular. The Milky Way Galaxy is about 150,000 light-years across. For example, if a star is 4.22 light years away, which is true of the closest star (other than the sun) to earth, then it takes light from that star 4.22 years … For example, the nearest star system to ours is the triple star system of Alpha Centauri, at about 4.3 light years away. ... London, SE1 9GF. Spiral galaxy (because it has spiral arms) The Large Magellanic Cloud galaxy. The sun is eight minutes away at the speed of light. Kepler-438b lies just 470 light-years away from our solar system. For example: If you knew that an object was approximately 14.2 x 10 14 miles away from Earth, how many light years would that be? This satellite galaxy of our own Milky Way is only 163 000 light years away. At about 20,000 light-years, it … It simply isn't sensible to measure the distance between Venus and Earth in light years. At around 900 light-years from Sol, Mebsuta (Epsilon Geminorum) is a relatively close example of a rare G-type supergiant, with seven to nine Solar-masses and a luminosity of around 7,600 times that of the Sun. Every star within 15 light-years from the Sun is a dwarf! They're just not far enough away. It's a good bit further off, at 1,100 light-years. It's not light years. The closest star to Earth, other than the sun, is Alpha Centauri at some 4.4 light-years away. G-type supergiants can have more than nine solar-masses and a luminosity that can reach more than 10,000 times that of the Sun. It is so far away that light from the Sun, traveling at a speed of 186,000 miles (300,000 kilometers) per second, takes about 8 minutes to reach us. This map is a plot of the 1500 most luminous stars within 250 light years. For instance, Mercury is the closest planet to the sun. A light year is 9,460,730,472,580.8 kilometres, which is a vast distance, and an expression of the distance between these two planets in light years would be too small to handle easily. it is only hours. Proxima Centauri is about 262,000 times farther away from us than the Sun.) The parsec is equal to 3.3 light-years. It is reasonable, therefore, to assume that our universe is at least billions of years old—old enough to give the light from these stars enough time to reach our planet billions of light-years away. All of these stars are much more luminous than the Sun and most of them can be seen with the naked eye. One light year is the distance that light can travel in one year. Kepler-442b, with about two-thirds as much light as Earth, is reckoned to have a 97 per cent chance that water could exist on its surface - if it has one. On average, it is about 36 million miles away. All of these stars are bright giant and supergiant stars, thousands of times more luminous than the Sun. The nearest star beyond the sun is Alpha Centauri, 4.2 x 1016 meters away. Before that, the last supernova visible to the eye was was documented by Johannes Kepler in 1604. These nearest stars are 270 000 times further from the solar system than the Sun … A MYSTERIOUS object 500million light years away has baffled scientists after transmitting signals that hit Earth every 16 days. It is a dim red star orbiting the bright double star, Alpha Centauri. In short, at a maximum velocity of 56,000 km/h, Deep Space 1 would take over 81,000 years to traverse the 4.24 light-years between Earth and Proxima Centauri. The star Kepler-160 and its companion KOI-456.04 are more reminiscent of the Sun-Earth system than any previously known exoplanet-star pair. The Andromeda Galaxy is 2.3 million light-years away. , Quora 's bot is also stupid of them can be seen the. The honor of being our true nearest stellar neighbor at only 4.24 light years supergiants can have more nine! 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