The Number of Known Asteroids Rose Sharply in the 1890s

question 1

Multiple Choice

The number of known asteroids rose sharply in the 1890s. What caused this?

• A) The technique of astrophotography was introduced.
• B) The first very large telescopes were built.
• C) Better theoretical predictions of where to look for asteroids became available.
• D) A series of collisions involving large objects between the orbits of Mars and Jupiter resulted in many more asteroids being formed.

---

Definitions:

Period of Two Years

A specific duration or time frame that spans exactly twenty-four months or two calendar years.

Part Performance

An equitable doctrine that allows a contract, typically not in writing, to be enforced if one party has taken significant steps to perform their part of the agreement.

Interest in Land

Legal rights or investments in real estate that involve ownership or other financial claims on the property.

Verbal Evidence

Evidence presented in the form of words, spoken or written, as opposed to physical evidence or demonstrations, used in legal proceedings.