week 2 presentation Essays

Submitted By ghypolite55
Words: 424
Pages: 2

Gina Hypolite
SCI 151
Jorge Espinosa
July 20,2015




Super Nova

Solar Nebula

Particles began to stick together to form clumps 

Bigger clumps formed planets/moons

Center cloud

Earth formed

Only rocky material could stand heat

Icy matter

Formed in the outer regions

Giant planets like Jupiter was formed

The center eventually got so hot that it became a star, the Sun, and blew most of the gas and dust of the new solar system with a strong stellar wind

Scientists have found that the solar system is about 4600 million years old!

An exoplanet or extrasolar planet is a planet that orbits a star other than the Sun, a stellar remnant, or a brown dwarf. Nearly
2000 exoplanets have been discovered (1933 planets in
1223 planetary systems including 484 multiple planetary systems as of 18 July 2015).

Number of extrasolar planet discoveries per year through September 2014, with colors indicating method of detection:

radial velocity -Blue transit –green timing -yellow direct imaging -Red microlensing -Orange

se. r e iv un r u n o Othe i s r studie net a s besid l used b p e s th e n y o s i c l i
l e i n t ists. b
1 are t u o ab e r ea r e th e v e eli b t tis n e i Sc

Dif ere nt s tud ies are use d to

fnd pla net

Al l
Th cam ere e t are o th a l e sa ot of me c pl a o n ne clu ts. sio n 

Our galaxy probably contains at least two billion planets that, like
Earth, have liquid