1. The gravitational field strength on the surface of the Earth is g. The gravitational field strength on the surface of a planet of twice the radius and the same density…
1. A valid set of units for specific heat capacity is A B C D kg J–1 K–1 kg J K–1 kg–1 J K–1 kg J–1 K (Total 1 mark) 2. An ideal gas is contained in a volume…
1. AstronomyCub Scouts Belt LoopDecember 1, 2009 2. The typical sky at night:What’s up there? 3. Telescopes and Binoculars 4. Planets near us: Our Solar System 5. The BiggestAsteroid…
Slide 1Cataclysmic Variables in the AAVSO Observing Program Janet A. Mattei Kerriann H. Malatesta AAVSO Second HEA Workshop July 4-5, 2002, Waikoloa Beach, Hawaii Slide 2…
1.Putting order to billions of stars Classifying Stars2. Size Astronomers use 4 sizes for the stars.The largest stars in the universe are calledsuper giants .The star Betelgeuse…
1.The Life Cycle of a Star2. Stars are formed in a large cloud of dust and gas known as a nebula.Nebulas are cold, allowing enough gravity to overcome the inner pressure…
1.Scientists believethat our galaxy is abarred spiral galaxy A barred spiral galaxy is a rotating, flat disk of stars, gas and dust with a bar-shaped center made of stars.2.…
1.By Carla Bridges 2. 5.3.2 Observe and describe that stars are like the sun, some being smaller some being larger, but they are so far away that they look like points…
1. Chapter 21- Stars Why will (or won’t) our sun become a black hole? 2. 3. I. Formation of starsA. Stars form in cold, dark clouds of gas and dust ( nebulae ), covering…