[ad_1] Question 1: Estimate the mass of food and water that a team of six astronauts would need for a standard two-year mission to Mars. (Note: the two years includes the round trip.)Question 2: Estimate how long it would take
Astronomy
[ad_1] When Jupiter is at a dis of 630 million kilom from Earth (4.2 astronomical units) it has an apparent angular diameter of 46 arcseconds (46/3600 of a degree) calculate Jupiter diameter in kilometers and state how many times this