head 1.1; access; symbols; locks; strict; comment @# @; 1.1 date 2018.03.14.16.52.51; author root; state Exp; branches; next ; desc @This document (1.2 The Planet) is re-created by blue-mouse-cc on 20 August 2017 @ 1.1 log @Initial revision @ text @{ "_id": { "$oid": "59b65b182c47962c1d00177a" }, "_type": "GSystem", "access_policy": "PUBLIC", "altnames": "1.2 The Planet", "annotations": [], "attribute_set": [], "author_set": [], "collection_set": [], "comment_enabled": null, "content": "
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\r\nAll the planets revolve around the Sun. You must know that there are eight planets in our Solar System. Can you name them? Well, one is the Earth of course! Out of the remaining seven planets, five can be seen with the naked eyes. They are Mercury, Mars, Venus, Jupiter, and Saturn. In fact, Jupiter is the brightest object in the night sky after the Moon and Venus. Mars and Saturn are also among the brightest objects in the night sky because they are much closer than the stars. Try to observe them with the help of your teacher or someone who can identify planets. We need a telescope to watch Uranus and Neptune. All these planets are of different sizes, are at different distances from the Sun and they rotate and revolve with different speeds. (See Table 1 for more details).
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Table 1: Basic data of the Sun and the planets
\r\n\r\n\r\n\t\t\t Name of the Planet \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Mass (M\u2295) \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Radius (R\u2295) \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Average distance | \r\n\t\t\t\r\n\t\t\t Rotation Period \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Revolution Period \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Sun \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 332946 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 109 | \r\n\t\t\t\r\n\t\t\t 0 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 25 Earth days \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Not Applicable \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Mercury \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.06 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.38 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.387 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 58.65 Earth days \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 87.97 Earth days \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Mars \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.82 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.95 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0. 723 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 243.03 Earth days \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1.88 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Earth \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 Earth day \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 365.256 Earth days | \r\n\t\t
\r\n\t\t\t Venus \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.11 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.52 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1.524 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 24 hours 37 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 224.7 Earth days \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Jupiter \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 317.8 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 11.21 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 5.203 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 9 hours 50 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 11.86 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Saturn \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 95.2 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 9.45 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 9.537 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 10 hours 14 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 29.46 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Uranus \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 14.6 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 4.01 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 19.19 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 17 hours 14 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 84.01 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Neptune \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 17.2 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 3.88 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 30.07 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 16 hours 3 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 164.8 Earth years \r\n\t\t\t | \r\n\t\t
M\u2295: Mass (multiples of the Earth); Mass of the Earth is 5.97\u00d71024 kg
\r\n\r\nR\u2295: Radius (multiples of the Earth); Radius of the Earth is 6371 km
\r\n\r\n1 AU (astronomical unit): Average distance from the centre of the Earth to the centre of the Sun = 149.6\u00d7106 km
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Go through table one and write the following in the notebook :
\r\n\r\nWhich planet or planets are similar to earth and in what aspect. Example- Venus\u2019s rotation period is similar to earth, it is 24 hours and 37 minutes.
\r\n\tWhich is the biggest planet?
\r\n\tWhich is the smallest planet?
\r\n\tWhich planet is the closest to the sun?
\r\n\tWhich planet is the farthest from the sun?
\r\n\tWhich planet takes shortest time to complete one revolution around the sun?
\r\n\tWhich planet takes longest time to complete one revolution around the sun?
\r\n\tCheck what others have shared in Notebook, comment on others notebook posts if you find anything interesting or problematic.
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\r\nLet us see how these planets move around the Sun through an activity.
All the planets revolve around the Sun. You must know that there are eight planets in our Solar System. Can you name them? Well, one is the Earth of course! Out of the remaining seven planets, five can be seen with the naked eyes. They are Mercury, Mars, Venus, Jupiter, and Saturn. In fact, Mars is the brightest object in the night sky after the Moon and Venus. Jupiter and Saturn are also among the brightest objects in the night sky because they are much closer than the stars. Try to observe them with the help of your teacher or someone who can identify planets. We need a telescope to watch Uranus and Neptune. All these planets are of different sizes, are at different distances from the Sun and they rotate and revolve with different speeds. (See Table 1 for more details).
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Table 1: Basic data of the Sun and the planets
\r\n\r\n\r\n\t\t\t Name of the Planet \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Mass (M\u2295) \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Radius (R\u2295) \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Average distance | \r\n\t\t\t\r\n\t\t\t Rotation Period \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Revolution Period \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Sun \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 332946 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 109 | \r\n\t\t\t\r\n\t\t\t 0 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 25 Earth days \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t Not Applicable \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Mercury \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.06 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.38 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.387 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 58.65 Earth days \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 87.97 Earth days \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Mars \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.82 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.95 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0. 723 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 243.03 Earth days \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1.88 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Earth \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1 Earth day \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 365.256 Earth days | \r\n\t\t
\r\n\t\t\t Venus \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.11 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 0.52 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 1.524 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 24 hours 37 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 224.7 Earth days \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Jupiter \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 317.8 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 5.203 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 9 hours 50 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 11.86 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Saturn \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 95.2 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 9.45 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 9.537 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 10 hours 14 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 29.46 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Uranus \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 14.6 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 4.01 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 19.19 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 17 hours 14 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 84.01 Earth years \r\n\t\t\t | \r\n\t\t
\r\n\t\t\t Neptune \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 17.2 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 3.88 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 30.07 \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 16 hours 3 minutes \r\n\t\t\t | \r\n\t\t\t\r\n\t\t\t 164.8 Earth years \r\n\t\t\t | \r\n\t\t
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M\u2295: Mass (multiples of the Earth); Mass of the Earth is 5.97\u00d71024 kg
\r\n\r\nR\u2295: Radius (multiples of the Earth); Radius of the Earth is 6371 km
\r\n\r\n1 AU (astronomical unit): Average distance from the centre of the Earth to the centre of the Sun = 149.6\u00d7106 km
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Let us see how these planets move around the Sun through an activity.
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