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330 followers study24x7 04 Aug 2021 11:56 PM study24x7 study24x7

Which planet is nearest to earth?

A

Mars (मंगल ग्रह)

B

Venus (शुक्र ग्रह)

C

Mercury (बुध ग्रह )

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330 followers study24x7 04 Aug 2021 11:49 PM study24x7 study24x7

𝙑𝙤𝙡𝙘𝙖𝙣𝙤𝙚𝙨 𝙤𝙣 𝙈𝙖𝙧𝙨 𝙘𝙤𝙪𝙡𝙙 𝙗𝙚 𝙖𝙘𝙩𝙞𝙫𝙚, 𝙧𝙖𝙞𝙨𝙞𝙣𝙜 𝙩𝙝𝙚 𝙥𝙤𝙨𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙮 𝙈𝙖𝙧𝙨 𝙬𝙖𝙨 𝙧𝙚𝙘𝙚𝙣𝙩𝙡𝙮 𝙝𝙖𝙗𝙞𝙩𝙖𝙗𝙡𝙚 Source: University of Arizona 𝘕𝘦𝘸 𝘰𝘣𝘴𝘦𝘳𝘷𝘢𝘵𝘪𝘰𝘯𝘴 𝘳𝘦𝘷𝘦𝘢𝘭 𝘵𝘩𝘢𝘵 𝘔𝘢𝘳𝘴 𝘤𝘰𝘶𝘭𝘥 𝘴𝘵𝘪𝘭𝘭 𝘣𝘦 𝘷𝘰𝘭𝘤𝘢𝘯𝘪𝘤𝘢𝘭𝘭𝘺 𝘢𝘤𝘵𝘪𝘷𝘦, 𝘳𝘢𝘪𝘴𝘪𝘯𝘨 𝘵𝘩𝘦 𝘱𝘰𝘴𝘴𝘪𝘣𝘪𝘭𝘪𝘵𝘺 𝘧𝘰𝘳 𝘩𝘢𝘣𝘪𝘵𝘢𝘣𝘭𝘦 𝘤𝘰𝘯𝘥𝘪𝘵𝘪𝘰𝘯𝘴 𝘪𝘯 𝘵𝘩𝘦 𝘯𝘦𝘢𝘳-𝘴𝘶𝘳𝘧𝘢𝘤𝘦 𝘰𝘧 𝘔𝘢𝘳𝘴 𝘪𝘯 𝘳𝘦𝘤𝘦𝘯𝘵 𝘩𝘪𝘴𝘵𝘰𝘳𝘺. 𝘖𝘯𝘨𝘰𝘪𝘯𝘨 𝘳𝘦𝘴𝘦𝘢𝘳𝘤𝘩 𝘪𝘯𝘷𝘦𝘴𝘵𝘪𝘨𝘢𝘵𝘦𝘴 𝘵𝘩𝘦 𝘱𝘰𝘴𝘴𝘪𝘣𝘪𝘭𝘪𝘵𝘺 𝘵𝘩𝘢𝘵 𝘵𝘩𝘦 𝘮𝘰𝘴𝘵 𝘳𝘦𝘤𝘦𝘯𝘵 𝘷𝘰𝘭𝘤𝘢𝘯𝘪𝘤 𝘢𝘤𝘵𝘪𝘷𝘪𝘵𝘺 𝘰𝘯 𝘔𝘢𝘳𝘴, 𝘸𝘩𝘪𝘤𝘩 𝘰𝘤𝘤𝘶𝘳𝘳𝘦𝘥 𝘢𝘣𝘰𝘶𝘵 50,000 𝘺𝘦𝘢𝘳𝘴 𝘢𝘨𝘰, 𝘮𝘪𝘨𝘩𝘵 𝘩𝘢𝘷𝘦 𝘣𝘦𝘦𝘯 𝘵𝘳𝘪𝘨𝘨𝘦𝘳𝘦𝘥 𝘣𝘺 𝘢 𝘯𝘦𝘢𝘳𝘣𝘺 𝘢𝘴𝘵𝘦𝘳𝘰𝘪𝘥 𝘪𝘮𝘱𝘢𝘤𝘵 𝘵𝘩𝘢𝘵 𝘩𝘢𝘱𝘱𝘦𝘯𝘦𝘥 𝘢𝘳𝘰𝘶𝘯𝘥 𝘵𝘩𝘦 𝘴𝘢𝘮𝘦 𝘵𝘪𝘮𝘦.

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330 followers study24x7 04 Aug 2021 11:41 PM study24x7 study24x7
‘𝘾𝙪𝙧𝙞𝙤𝙨𝙞𝙩𝙮’ - 𝙈𝙞𝙨𝙨𝙞𝙤𝙣 𝙩𝙤 𝙈𝙖𝙧𝙨
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330 followers study24x7 25 Feb 2021 10:49 PM study24x7 study24x7

Mission Name: Mars 2020 Rover Name: Perseverance Main Job: Seek signs of ancient life and collect samples of rock and regolith (broken rock and soil) for a possible return to Earth. Launch: July 30, 2020 Landing: Feb. 18, 2021, Jezero Crater, Mars Tech Demo: The Mars Helicopter is a technology demonstration, hitching a ride on the Perseverance rover.

Mission Name: Mars ...
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330 followers study24x7 19 Jan 2021 02:02 PM study24x7 study24x7

Professor Abraham (Avi) Loeb of Harvard University believes that 1I/2017 U1 ‘Oumuamua, a fast-moving, a cigar-shaped object of extrasolar origin discovered close to Earth in October 2017, was most likely ‘a piece of advanced technology created by a distant alien civilization.’ Oumuamua was discovered by the University of Hawaii’s Pan-STARRS 1 telescope on October 19, 2017, more than a month after it passed its closest point to the Sun. “Long before we knew of its existence, the object was traveling toward us from the direction of Vega, a star just 25 light-years away,” Professor Loeb writes in his upcoming book, Extraterrestrial: The First Sign of Intelligent Life beyond Earth. “It intercepted the orbital plane, within which all of the planets in our Solar System revolve around the Sun, on September 6, 2017. But the object’s extreme hyperbolic trajectory guaranteed it would only visit, not stay.” “On September 9, 2017, the visitor reached its perihelion, the point at which its trajectory took it closest to the Sun.” “Thereafter, it began to exit the Solar System; its speed far away — relative to our star, it was moving at about 94,800 km per hour (58,900 miles per hour) — more than ensured its escape from the Sun's gravity. It passed through Venus’s orbital distance from the Sun around September 29 and through Earth’s around October 7, moving swiftly toward the constellation Pegasus and the blackness beyond.” Subsequent detailed observations conducted by multiple spaces- and ground-based telescopes detected the sunlight reflected off the surface of ‘Oumuamua. Large variations in its brightness suggested that the interstellar object is highly elongated and up to 275 m (900 feet) in its longest dimension. The object also experienced a small but persistent acceleration that could not be explained simply by the Sun’s gravitational pull. “As soon as the observatory in Hawaii announced its discovery, and even as ‘Oumuamua was fleeing toward the outer Solar System, astronomers around the world trained a variety of telescopes on it. The scientific community was, to put it mildly, curious,” Professor Loeb writes in the book. “One pressing question was: What did ‘Oumuamua look like? We did not, and do not, have a crisp photograph of the object to rely on. But we do have data from all those telescopes that were dedicated for about 11 days to collecting whatever they could.” “And once we had our telescopes trained on ‘Oumuamua, we looked for one bit of information in particular: how ‘Oumuamua reflected sunlight.” “For astrophysicists, an object changing brightness provides invaluable clues to its shape. In the case of ‘Oumuamua, the object's brightness varied tenfold every eight hours, which we deduced to be the amount of time that it took to complete one full rotation,” he adds. “This dramatic variability in its brightness told us that ‘Oumuamua’s shape was extreme, or at least five to ten times longer than it was wide.” “To these dimensions, we added further evidence about ‘Oumuamua’s size. The object, we could say with certainty, was relatively small.”

Professor Abraham (Avi) Loeb of Harvard University be...
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330 followers study24x7 08 Nov 2020 10:27 PM study24x7 study24x7

Astronomy picture of the day.
🌐Italy

Astronomy picture of the day.<br>🌐Italy
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330 followers study24x7 06 Nov 2020 01:48 PM study24x7 study24x7

The sun rises every morning in the ________.

A

East

B

South

C

North

D

West

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330 followers study24x7 31 May 2020 01:21 AM study24x7 study24x7

Earth vs Sun... in size

Earth vs Sun...  in size
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330 followers study24x7 26 May 2020 04:48 PM study24x7 study24x7

This picture is taken by Michael Collins while orbirting the moon in Applo 2 mission.

This picture is taken by Michael Collins while orbirt...
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330 followers study24x7 25 May 2020 02:30 PM study24x7 study24x7

#Now

#Now
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330 followers study24x7 18 May 2020 03:15 AM study24x7 study24x7

Astronomy picture of the day.
Jupiter in infrared.

Astronomy picture of the day.<br>Jupiter in infrared.
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330 followers study24x7 08 Apr 2020 11:47 AM study24x7 study24x7

Uranus

Uranus
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330 followers study24x7 07 Apr 2020 10:16 PM study24x7 study24x7

First Human to go on Red planet Mars.

First Human to go on Red planet Mars.
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330 followers study24x7 17 Mar 2020 10:33 PM study24x7 study24x7

Image from outermost interstellar space.
i.e outside from our solar system.
The Voyager 1& 2.

Image from outermost interstellar space. <br>i.e outs...
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330 followers study24x7 16 Mar 2020 11:27 PM study24x7 study24x7

Did you know...❓

Did you know...❓
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330 followers study24x7 08 Mar 2020 05:35 PM study24x7 study24x7
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330 followers study24x7 06 Mar 2020 01:18 PM study24x7 study24x7

एल मिस्टी (El Misti) ज्वालामुखी किस देश मे हैं.......................?

एल मिस्टी (El Misti) ज्वाल...
A

एल मिस्टी (El Misti) ज्वाल...
B

एल मिस्टी (El Misti) ज्वाल...
C

एल मिस्टी (El Misti) ज्वाल...
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Astronomy is a natural science that studies celestial objects and phenomena. It applies mathematics, physics, and chemistry in an effort to explain the origin of those objects and phenomena and their ...
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