"GENERAL KNOWLEDGE FOR THE WORLD OF SCIENCE"
( For the preparation of competitive exams & govt exams )
GK for competitive exams-stars and planets
STARS AND PLANETS
STARS AND PLANETS
STARS AND PLANETS
stars and planets; The answer to the present question could be an extremely polemic one. This has not forever been the case, though. In fact, before 1978 the definition of a “planet” wasn't extremely necessary. till that point, a planet merely meant a body in orbit around the Sun, that mirrored daylight and wasn't a planetary moon, asteroid, or comet.
stars and planets; However, with the invention of Pluto’s moon, Charon in 1978 scientists was ready to calculate Pluto’s mass rather more accurately than ever before and shortly completed that it absolutely was a lot of smaller than they'd antecedently believed. At a small fraction of the mass of Mercury, Pluto was clearly a body a lot of smaller than the other planet. This discovery light-emitting diode some to question whether or not Pluto was really a planet or another style of object.
stars and planets; In the Nineties and early 2000s, the invention of many objects within the outer scheme similar in size to Pluto created it virtually necessary to return to a definitive definition of a planet. Such a definition was required to separate those forms of objects like Pluto into a definite category, otherwise, all of the freshly found objects would have to be compelled to be known as planets further.
stars and planets; In response to the present uncertainty, the International Astronomical Union (IAU), the official governance for matters regarding naming astronomical objects, came to a definition of the term “planet.” in keeping with the IAU, a planet could be a natural object that meets the subsequent criteria:
STARS AND PLANETS
stars and planets; is in orbit around the Sun,
has a decent mass for its self-gravity to beat rigid body forces so it assumes a hydraulics equilibrium (nearly round) form, and
has cleared the neighborhood around its orbit.
ARE THERE ANY UNDISCOVERED PLANETS within the star SYSTEM?
There are many extra planets hypothesized throughout history; but, none of those planets have ever been found.
stars and planets; The most recent of those theorized planets was Planet X, a purportedly big planet wont to make a case for the deviations from the expected orbits of Uranus and Neptune. though Planet X has ne'er been found and scientists are still unable to satisfactorily make a case for the uranian and Neptunian orbital discrepancies, the scientific community has virtually nemine contradicente return to the conclusion that Planet X doesn't exist.
It is extremely unlikely that there are any planets on the far side the orbit of Pluto.
STARS AND PLANETS
General question & answer on the topic of stars and planets
2. What is the great Red Spot on Jupiter? -A storm
3. What produces solar energy? -Nuclear Fusion
4. When did astronauts first land on the moon? -1969
5. What color is Mars? -Red
6.What are Saturn's rings made up of? -Ice
7. How many years old is the solar system? -5000 million
8. How many stars signs are there? -12
9. When did people first start studying the stars? -Appx.5000 years ago
10. What is a pattern of bright stars called? -Constellation
11. What causes the seasons on earth? -Tilting earth
12. Which event began the universe? -Big bang
13.Which planet has rings around it? -Saturn
14. Who first studied the stars using a telescope? -Galileo
15. What is an exploding star called? -Supernova
*** STARS AND PLANETS ***
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