Explain How We Can Estimate That There Are About 50-

question 147

Essay

Explain how we can estimate that there are about 50- 100 billion galaxies in the observable universe.

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Definitions:

Capital Account

A national account that shows the net change in asset ownership for a nation, reflecting movements of financial capital and tangible capital into and out of the country.

Current Account

A component of a country's balance of payments that measures the trade of goods and services, along with earnings on foreign investments minus payments made to foreign investors.

International Monetary Reserves

Assets held by a country's central bank to back its national currency and provide financial and economic stability.

Remittances

Payments by immigrants to family members and others located in the immigrants’ home countries.