Question

Explain the significance of Hubble's constant?

Answer 1

• ᴛʜᴇ ʜᴜʙʙʟᴇ ᴄᴏɴsᴛᴀɴᴛ ɪs ᴛʜᴇ ᴜɴɪᴛ ᴏғ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛ ᴜsᴇᴅ ᴛᴏ ᴅᴇsᴄʀɪʙᴇ ᴛʜᴇ ᴇxᴘᴀɴsɪᴏɴ ᴏғ ᴛʜᴇ ᴜɴɪᴠᴇʀsᴇ. ᴛʜᴇ ᴄᴏsᴍᴏs ʜᴀs ʙᴇᴇɴ ɢᴇᴛᴛɪɴɢ ʙɪɢɢᴇʀ sɪɴᴄᴇ ᴛʜᴇ ʙɪɢ ʙᴀɴɢ ᴋɪᴄᴋ-sᴛᴀʀᴛᴇᴅ ᴛʜᴇ ɢʀᴏᴡᴛʜ ᴀʙᴏᴜᴛ 13.82 ʙɪʟʟɪᴏɴ ʏᴇᴀʀs ᴀɢᴏ. ᴛʜᴇ ᴜɴɪᴠᴇʀsᴇ, ɪɴ ғᴀᴄᴛ, ɪs ɢᴇᴛᴛɪɴɢ ғᴀsᴛᴇʀ ɪɴ ɪᴛs ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ᴀs ɪᴛ ɢᴇᴛs ʙɪɢɢᴇʀ.

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Answer 2

Answer:

The Hubble Constant is the unit of measurement used to describe the expansion of the universe.

The Hubble Constant (Ho) is one of the most important numbers in cosmology because it is needed to estimate the size and age of the universe. This long-sought number indicates the rate at which the universe is expanding, from the primordial "Big Bang"