earth science 11

a point on the ecliptic between the equinoxes

Americas first person in space

Where do the English calendar names come from>/

time it takes earth to orbit the sun once

when did america take the lead?

one rotation of the earth --amount of time it takes earth to spin on its axis one time

what space station did Russia launch that could have additional rooms added to it in space

first american to orbit the earth

path the sun follows in a year

measured from noon to noon; based on the sun

the full circle that connects both celestial poles;

contains an objective lens at the top and an eyepiece at the bottom

What device allows astronomers to see without any distortions?

What type of spacecraft launches like a rocket and lands like a plane?

sets all the clocks in a time zone to same solar time

aids with making maps, spotting forest fires, etc

lowest point in orbit

used by airplanes, ships, and other vehicles

first mission to land on the moon

most important instrument used by astronomer

satellite that relays telephone and television

uses computer controlled mirrors

point directly below the observer

satellite that assists astronomers in studying space

Which time period is not based on a heavenly body>?

soviet union's first rocket launched

orbit that stays above same point on equator

highest point in its orbit

who built the first reflecting telescope?

point directly overhead

mean solar time at the earth's prime meridian

Russia's first cosmonaut

a device that splits light into colors

first woman to fly in space

helps protect america from attack

area that has one day of darkness and one day of sunlight

Another name fora Hohmann transfer orbit

unmanned spacecraft designed to explore space

America's first satellite

what was the first soviet space station

what spacecraft became the way to the ISS

What does AD stand for?

built the first ballistic missile

first man to set foot on the moon

Which is the more accurate calendar?

Americas first space station

particular speed a probe must reach

What is an EVA?

father of modern rocketry

third nation to launch a manned spacecraft

a technique that analyzes radio waves

where the ecliptic intersects the celestial equator

aids a meteorologist with forecast