B023-G078 was known as a massive globular star cluster—a spherical collection of stars bound tightly by gravity. However, there had only been a single observation of the object that determined its overall mass, about 6.2 million solar masses. For years, Seth had a feeling it was something...
Astronomers may have found a dark, primordial galaxy — an enormous, undisturbed mass of cold hydrogen gas that has yet to form any stars — sitting in the modern-day universe. If confirmed, the object could offer astronomers a look at an early stage of galactic evolution. “I’ve been in...
In free fall, will heavier objects have more acceleration due to gravity than light ones ? View Solution Dut to the ………. Force, the earth attracts all objects towards it. View Solution If the gravitational force on an object depends linearly on its mass, why is the accleration of...
Regarding composite transposons, IS elements have ends with direct repeats. True or False. A substance having a molecular mass of 70,000 Daltons would not normally cross the glomerulus capillary wall to enter the material in the nephron tubule system. True ...
Find the speed of a proton that has (a) the same kinetic energy as the electron and (b) the same momentum as the electron. Is buoyant force the same as the volume of the object or the weight of the object? For each of the following comparisons, plot the data as ...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
13. Until now the usual method of finding exoplanets has been to detect the "wobble" their gravity imparts on parent stars. But only giant gaseous planets bigger than Jupiter can be found this way, and they are unlikely to harbour life. 14. In the 2010s, ESA plans to launch Darwin,...
It has a lingering finish that stays with you long after the last drop. Much like Dina’s smile after the show is over. Oh, a fascinating fact about Pinot noir. It’s one of the oldest grape varieties in the world, dating back more than 2000 years. It’s also one of the most ...
aIn addition to its properties and constructor, Planet has methods that allow you to retrieve the surface gravity and weight of an object on each planet. Here is a sample program that takes your weight on earth (in any unit) and calculates and prints your weight on all of the planets (...
State an example in which a force is exerted on an object without doing any work on the object.GravityGravity, or sometimes called gravitation, is a natural phenomenon by which all things with mass or energy, including planets, stars, galaxies, and even light, ...