Our Solar System
A solar system includes a collection of astronomical objects orbiting a central _____________.
Star
What type of reaction occurs at the core of a star?
Nuclear Fusion
What type of orbit does the Earth have around the sun?
An Elliptical Orbit
Something with more mass, will have ____________ gravity.
more
A gravitational bound systems composed of trillions of stars and solar systems around a central black hole is called a __________________
Galaxy
During solar system formation, the very beginning of the process begins with a cloud of dust/debris called a ______________.
_______________ are darker, cooler regions on a star caused by intense magnetic fields.
Sunspots
How long does it take the Earth to make 1 revolution?
365.25 days.
Einstein's theory of Relativity explains gravity as a _____________ in spacetime that objects move across.
Curvature
Our galaxy, the Milky Way, is in the shape of a ___________.
Spiral
Temperature gradients of debris in a nebula cause _____________ planets to form close to the sun, and ______________ planets to form farther from the sun.
What elements make up the bulk of our sun?
Primarily Hydrogen and Helium
Lunar Eclipse
Because the gravity is to intense/ there is to much gravity acting on it
_______________ is an invisible substance that makes up most of the mass in the universe, and is known to exist because of its gravity.
Dark Matter
In our solar system, the disk shaped region of ice-based space bodies present beyond Neptune is called the _______________.
Kuiper Belt
In a low mass star, what is the final life cycle stage.
White Dwarf (Black Dwarf is also an acceptable answer)
Somewhere between June-August
Singularity
________________ is a faint radiation with a uniform temperature found everywhere in the universe, that is residual from the big bang.
The 2 planets in our solar system that rotate clockwise around their axis are _____________ and ____________.
Venus & Uranus
In a high mass star, the final life cycle stage is:
What phase of the moon would follow the first quarter?
Waxing Gibbous
A(n) ______________________ is the "point of no return" in a black hole, where objects cannot escape once they enter.
Event Horizon
The further away a galaxy is from us, the longer the wavelength, indicating a redshift. This is suggestive that galaxies are still __________________________.
Moving away from each other