Science Space & Earth advanced

Heliocentric Model

Sun = center of solar system (Copernicus)

NASA stands for

National aeronautic and space administration

NASA Started in

1985 in Washington D.C

NASA jobs

Astronaut scientist, engineer, computer experts technicians

NASA Accomplishments

Moon landings, Mars Rovers satellites, climate studies

NASA current projects

Artemis Mars James Webb telescope climate research

Spinoffs

Every day product created from NASA technology

Spinoff Examples

Memory foam scratch, resistant lenses, cordless vacuums, water filters, Freeze dried food

Heliocentric Model

Sun at the center of the solar system

NASA

US space agency leading space, exploration, and research

Artemis

NASA mission to return astronauts to the moon

Stars are made up of

Hot gas

Why do stars shine

Nuclear fusion

O and B stars

The hottest stars and the brightest (blue)

A and F stars

Second hottest and are blueish-white

G stars

Fifth hottest and are yellow

K stars

Sixth hottest and are orange

M stars

The coolest and dimmest (red)

The stars in order

O,B,A,F,G,K,M

What type of star is our sun

G type

Life cycle stages

Nebula To main sequence to giant/super giant to white dwarf/neutron star/black hole

Sirius

A type star

Betelgeuse

M-type star red supergiant

Light year

Distant light travels in one year (5,800,000,000,000 miles)

Main sequence star

Stable star (Like our sun) in it’s main life stage

Super giant

Very large star near the end of its lifecycle

Cosmic microwave background

Oldest light in the universe, 14 billion years old. Faint glow of radiation left from the Big Bang theory

What is a constellation?

A group of stars forming a recognizable Pattern Or a picture in the sky

How many official constellations are there?

88

Spectral type

Classification of a star based on temperature/color

Nebula

A cloud of gas and dust and space where stars are born

Alpha Centauri

Closet star to us