5. Write the conditions that are necessary for the sustenance of life on earth.
6. Differentiate between inner planets and outer planets.
7. Write a short note on Orion and draw its figure.
8. What are stars? Stars can emit their own light while planets or moon cannot? Why?
Answers
Explanation:
.You know that human life requires moderate temperature, water, sun and some chemical elements such as nitrogen, carbon, and oxygen which are available on earth.
6.ᴛʜᴇ ɪɴɴᴇʀ ᴘʟᴀɴᴇᴛs ᴀʀᴇ ᴄʟᴏsᴇʀ ᴛᴏ ᴛʜᴇ sᴜɴ ᴀɴᴅ ᴀʀᴇ sᴍᴀʟʟᴇʀ ᴀɴᴅ ʀᴏᴄᴋɪᴇʀ. ᴛʜᴇ ᴏᴜᴛᴇʀ ᴘʟᴀɴᴇᴛs ᴀʀᴇ ғᴜʀᴛʜᴇʀ ᴀᴡᴀʏ, ʟᴀʀɢᴇʀ ᴀɴᴅ ᴍᴀᴅᴇ ᴜᴘ ᴍᴏsᴛʟʏ ᴏғ ɢᴀs. ᴛʜᴇ ɪɴɴᴇʀ ᴘʟᴀɴᴇᴛs (ɪɴ ᴏʀᴅᴇʀ ᴏғ ᴅɪsᴛᴀɴᴄᴇ ғʀᴏᴍ ᴛʜᴇ sᴜɴ, ᴄʟᴏsᴇsᴛ ᴛᴏ ғᴜʀᴛʜᴇsᴛ) ᴀʀᴇ ᴍᴇʀᴄᴜʀʏ, ᴠᴇɴᴜs, ᴇᴀʀᴛʜ ᴀɴᴅ ᴍᴀʀs.
.ᴏʀɪᴏɴ ɪs ᴀ ᴘʀᴏᴍɪɴᴇɴᴛ ᴄᴏɴsᴛᴇʟʟᴀᴛɪᴏɴ ʟᴏᴄᴀᴛᴇᴅ ᴏɴ ᴛʜᴇ ᴄᴇʟᴇsᴛɪᴀʟ ᴇǫᴜᴀᴛᴏʀ ᴀɴᴅ ᴠɪsɪʙʟᴇ ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴛʜᴇ ᴡᴏʀʟᴅ. ... ɪᴛ ɪs ɴᴀᴍᴇᴅ ᴀғᴛᴇʀ ᴏʀɪᴏɴ, ᴀ ʜᴜɴᴛᴇʀ ɪɴ ɢʀᴇᴇᴋ ᴍʏᴛʜᴏʟᴏɢʏ. ɪᴛs ʙʀɪɢʜᴛᴇsᴛ sᴛᴀʀs ᴀʀᴇ ʙʟᴜᴇ-ᴡʜɪᴛᴇ ʀɪɢᴇʟ (ʙᴇᴛᴀ ᴏʀɪᴏɴɪs) ᴀɴᴅ ʀᴇᴅ ʙᴇᴛᴇʟɢᴇᴜsᴇ (ᴀʟᴘʜᴀ ᴏʀɪᴏɴɪs).
.Stars has heat in plasma state (fourth state of matter) and when heat generate in much amount then it glow. while planets do not have nuclear fusion, they do not produce their own light.
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ✌✌
Answer:
5.ans You know that human life requires moderate temperature, water, sun and some chemical elements such as nitrogen, carbon, and oxygen which are available on earth.
6.ans The inner planets are closer to the Sun and are smaller and rockier. The outer planets are further away, larger and made up mostly of gas. The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars.
7.ans Orion, in astronomy, major constellation lying at about 5 hours 30 minutes right ascension and 0° declination, named for the Greek mythological hunter. ... Orion is one of the most conspicuous constellations and contains many bright stars.
8.ans Stars has heat in plasma state (fourth state of matter) and when heat generate in much amount then it glow. while planets do not have nuclear fusion, they do not produce their own light.
