[DOC] [TLE] Why Did the Dinosaurs Die Out? - Facts & Summary - HISTORY.com [PAR] Dinosaurs roamed the earth for 160 million years until their sudden demise some 
... Some scientists believed a great plague decimated the dinosaur population 
and ... so their simultaneous extinction makes these theories less plausible. ... 
with the theory was explaining why dinosaurs died out and other species did not. [DOC] [TLE] Dinosaur Extinction, Cretaceous-Tertiary Extinction Information ... [PAR] The one that does must explain why these animals died while most mammals, ... 
when a comet or asteroid struck somewhere on Earth and then vaporized. A 110-
mile-wide (180-kilometer-wide) crater carved out of Mexico's Yucatn Peninsula, 
... Some scientists think both may have contributed to the extinction, and others... [DOC] [TLE] The Impact That Wiped Out the Dinosaurs | Planetary Science Institute [PAR] Some of these could potentially hit Earth in the future. Most, but not all are smaller 
than the one that hit us 65 million years ago. ... Fundamentalists are defined as 
people who believe that the primary way of learning about nature should ... The 
scientific method was hammered out mainly in the 1600s, when naturalists of that
... [DOC] [TLE] Impact event - Wikipedia [PAR] An impact event is a collision between astronomical objects causing measurable 
effects. Impact ... Asteroids with a 1 km (0.62 mi) diameter strike Earth every 
500,000 years on .... Some scholars have argued that an impact event in an 
ocean or sea may .... One of these was the Prairie Network, operated by the 
Smithsonian... [DOC] [TLE] Stars, Galaxies and the Universe - NUPEX [PAR] It is the Sun that provides the energy source that powers all life on Earth and ... 
Here one can see a photocomposition of the Sun and the planets showing their 
.... He soon realised that these bright objects weren't actually stars at all. ..... For 
example, some scientists believe that dark matter is black holes created in the big
... [DOC] [TLE] FAQs | StarDate Online [PAR] These brief, intense explosions of high-energy particles and radiation from the ... 
Scientists believe, however, that our space is smoothly curved -- more like a ... Of 
course, the nearest star to Earth is the one we see every day -- our dear old Sun. 
..... out that the dinosaurs -- and many other life forms -- were already dying out... [DOC] [TLE] Earth - a Moving Target. Asteroids, Craters, impacts, Gulf of Mexico ... [PAR] Oct 18, 2004 ... Asteroid Belt | Craters on planets & moons | Craters on Earth | Gulf of Mexico | 
Location of Atlantis ... Some fragments can eventually find their way into the inner 
Solar ... The impacts of these fragments are believed to have created both the ..... 
of the Earth's species, including the dinosaurs, became extinct. [DOC] [TLE] The Science of the Real End of The World  Starts With A Bang [PAR] Dec 20, 2012 ... The death of an individual life is not the end of the world, but for ... that wiped out 
the dinosaurs, more than half of the species survived! ... An estimated one-to-two 
billion years in the future, all life on Earth will .... But I feel certain you believe that 
it is profound. .... Do we know when these events will happen? [DOC] [TLE] The Sky Is Falling - The Atlantic [PAR] Abbott believes that a space object about 300 meters in diameter hit the Gulf of .... 
Some astronomers now think that short-period comets, which swing past the sun 
... Earth has experienced several mass extinctionsthe dinosaurs died about .... 
Given the scientific findings, shouldn't space rocks be one of NASA's priorities? [DOC] [TLE] Cosmic Time Cycles - An Examination Of Cyclic Events [PAR] Apr 18, 2005 ... The earth orbiting the sun is one periodic motion that repeats itself that we ... 
Some of the galaxy's mass is inside the sun's orbit and some of it is outside. ... 
The solar system is about halfway out on one of these arms and is .... has been 
dated to 65 million years ago - just when the dinosaurs died, he noted.

Question: Some scientists believe the dinosaurs died out when one of these interstellar objects struck the Earth
Answer: an asteroid