EOCA DC ASTRO

How did the discovery of Neptune support Newton's gravitational theories?

• Neptune's discovery confirmed Newton's laws through Uranus' orbital anomalies.

• Neptune was discovered due to a telescope malfunction.

• Neptune's rings were found to be made of ice and dust.

• Neptune's atmosphere was found to be similar to that of Earth.

What distinguishes a constellation from an asterism?

• Constellations are smaller patterns of stars, while asterisms are official star groupings recognized by astronomers.

• Constellations are official star groupings recognized by astronomers, while asterisms are smaller patterns of stars that may be part of a constellation.

• Constellations are always visible in the night sky, while asterisms are not.

• Constellations are made up of planets, while asterisms are made up of stars.

What was Tycho Brahe’s main contribution to astronomy?

• He developed the first telescope for astronomical observations.

• He provided accurate data on the positions of stars and planets.

• He discovered the four largest moons of Jupiter.

• He formulated the laws of planetary motion.

What are the phases of the Moon?

• New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent

• New moon, full moon, half moon, blue moon

• Crescent moon, half moon, supermoon, blood moon

• New moon, waxing gibbous, full moon, solar eclipse

How does scientific notation simplify large astronomical numbers?

• It simplifies handling very large or small numbers.

• It makes calculations faster without any errors.

• It eliminates the need for calculators in astronomy.

• It converts all numbers to whole numbers.

Who was Johannes Kepler?

• A German physicist known for his work on electromagnetism.

• A German mathematician who invented calculus.

• A German astronomer who formulated the laws of planetary motion based on Brahe's data.

• A German chemist who discovered oxygen.

What are Kepler's laws of planetary motion?

• Planets move in circular orbits around the Sun.

• A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.

• The square of the orbital period of a planet is proportional to the square of the semi-major axis of its orbit.

• Planets move in elliptical orbits with the Sun at one focus.

What is the significance of the telescope in astronomy?

• It allows astronomers to observe distant celestial objects, enhancing our understanding of the universe.

• It is used to measure the temperature of stars.

• It helps in predicting weather patterns on Earth.

• It serves as a communication device for space missions.

What is the role of gravity in the solar system?

• Gravity is the force that keeps planets in orbit around the Sun and governs the motion of celestial bodies.

• Gravity is responsible for the color of planets in the solar system.

• Gravity only affects the Earth and its moon.

• Gravity is a force that only exists in black holes.

Who was Tycho Brahe?

• A Danish astronomer known for his accurate and comprehensive astronomical observations.

• A famous physicist who developed the laws of motion.

• An Italian artist known for his paintings of celestial bodies.

• A mathematician who invented calculus.