SpaceScience
test 10
Earth and Space Test 10
Study online at https://quizlet.com/_huo8q5
1. What value represents apparent magnitude
the brightness of a star
as viewed from Earth
2. What is a chunk of space meteorite
debris that has reached
Earth's surface?
3. Which scientist pro- Nicolaus Copernicus
posed a system in which
Earth and all other plan-
ets orbit the sun.
4. How many planets were five
known to ancients as-
tronomers
5. What star is located at Polaris
the north celestial pole?
6. What is Saturn's outer- Phoebe
most major moon, which
orbits in the opposite
direction of most other
moons.
7. What evolutionary idea nebular hypothesis
claims that the solar sys-
tem formed from a cloud
of gas and dust.
8. Orbital speed decreases.
www.stuvia.com
, Abeka Earth andAbeka
SpaceScience
test 10
Earth and Space Test 10
Study online at https://quizlet.com/_huo8q5
What happens to Earth's
orbital speed when Earth
approaches aphelion.
9. What is the primary fac- temperature.
tor that determines the
brightness of average
stars in the main se-
quence.
10. What is the smallest type cluster.
of structure formed by a
group of galaxie?.
11. Which of the following Altair.
stars is part of the Sum-
mer Triangle.
12. Which of Neptune's Triton
satellites experiences
the coldest known temp.,
in the solar system?
13. What is a rapidly rotating pulsar.
neutron star that emits
directional beams of ra-
dio waves.
14. Why can the sun's tran- it releases ultraviolet radiation.
sition region be studied
only using space-based
solar observations.
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