Category: Physics

What are the main types of star clusters? The three basic types of clusters astronomers have discovered are globular clusters, open clusters, and stellar associations. How do you determine a star cluster? By determining the mass of the main-sequence turnoff stars, we get the age of the cluster. The cluster age equals the main-sequence lifetime […]

Can I do 500 push ups a day? Just because you can do a lot of push-ups, doesn’t mean you should be trying to do so many. The slower you take it, the better your muscles will be. Doing 500 pushups in a day can cause muscle soreness and can even injure your muscles. How […]

What is characterized by compulsive eating? What is Bulimia Nervosa? Bulimia Nervosa is an eating disorder characterized by recurrent episodes of binge eating followed by self-induced vomiting or purging through excessive exercise, or use of laxatives or diuretics. Signs and symptoms of Bulimia Nervosa are: Fear of inability to stop eating voluntarily. What eating disorder […]

Which element is known as Future? It is the lightest element that has not yet been synthesized…. Ununennium Pronunciation /ˌuːn.uːnˈɛniəm/ ( listen) ​(OON-oon-EN-ee-əm) Alternative names element 119, eka-francium Ununennium in the periodic table What element is your Zodiac sign? Triplicities by season Sign Element Qualities Cancer Water Cold & Wet Leo Fire Hot & Dry […]

How much nitrogen is in the air? Air is mostly gas The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Why did oxygen levels decrease millions of years ago? Major mass extinction events at 450, 370, 250 and 200 million years ago corresponded with dramatic drops in […]

Can u die from static electricity? It is dangerous when you touch something with a large electric charge on it. The charge will flow through your body causing an electric shock. This could cause burns or even stop your heart. A person could die from an electric shock. Can static kill a motherboard? Electrostatic discharge […]

Why does wind feel cold? It can certainly feel colder when the wind is blowing. Wind helps remove the warm air immediately next to the skin and this causes a feeling of it being colder. The wind chill was developed because of the feeling that it gets colder when the wind is stronger due to […]

What emotion is associated with Orange? Orange calls to mind feelings of excitement, enthusiasm, and warmth. Orange is often used to draw attention, such as in traffic signs and advertising. Orange is energetic, which is perhaps why many sports teams use orange in their uniforms, mascots, and branding. How does the color blue make you […]

Is bamboo stronger than oak? In general, bamboo falls at about 1,200 to 1,400 on the Janka Hardness Scale, which means it’s a little harder than oak and ash. Some manufacturers claim the product is 12 percent harder than North American maple, but that’s hard to say. What is the strongest wood on earth? lignum […]

What is the lowland between hills or mountains called? A valley is a lower part in the land, between two higher parts which might be hills or mountains. Valleys often start as a downward fold between two upward folds in the surface of the Earth, and sometimes as a rift valley. What’s the difference between […]