Astronomy Mathematics

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

How many moons ( satellites) does Mercury have?

0

How many moons (satellites) does Venus have?

0

How long does it take Mercury to orbit the sun?

0.2 years

What is Mercury's radius and distance

0.38 & 0.4

What is Mars radius and distance?

0.53 & 1.5

What is Saturn's density?

0.7

What is Venus radius and distance?

0.95 & 0.7 au

How many moons does Earth have?

1

What percent of relative mass does earth have?

1

What is Earth's radius and distance?

1 & 1

How long does it take earth to orbit the sun?

1 year

What is Uranus Density

1.2

What is Jupiter's density?

1.3

What is Neptune's density

1.6

What is the percentage of time life has been on earth?

10

How massive is the sun compared to Jupiter?

1000 times bigger

A light year is?

10^18 centimeters

What is Jupiter's radius and distance?

11.8 & 5.2

How old is the universe?

13.8 billion

How many moons does Neptune have?

14

The number of stars in the universe is?

15 x 10^20

How many moons are there for each planet combined?

173

How many moons does Mars have?

2

What is the mass of Jupiter?

2 x 10^30

On any given clear cloudless night the naked-eye observer can see about how many stars?

2,000

How long does it take earth to rotate?

23 hours & 54 mins

What is the temperature of pluto?

230

How long does it take Venus to rotate?

243 days

How long does it take Pluto to orbit the sun?

250 years

How many moons does Uranus have?

27

The temperature of the universe, as measured by the cosmic microwave background is?

3

What is Uranus radius and distance?

3. ? & 19.2

What is Mars density?

3.9

What is Neptune's radius and distance?

3.9 & 30.1

What is Pluto's distance?

39.4 au

How long has life been on earth?

4 billion

The earliest evidence for life on Earth dates back to about ______ years ago?

4 billion

In order to reach the solar system, light from the nearest fixed star must travel for about how long?

4 years

An astronaut who travels to the nearest fixed star at the speed of light will require ____ to complete the journey

4.4 years

How old is the earth?

4.567 billion

How long has life been on land?

400 million

The approximate age of the earth in billions of years is?

5

How old is the sun?

5 billion

What is Venus density?

5.2 g/cm

What is Mercury's density?

5.4

What is Earth's density

5.5

How many moons does Saturn have?

62

Dinosaurs disappeared ______ years ago?

66 million

How many moons does Jupiter have?

67

The sun is eight light minutes from earth, while Saturn is about 10 astronomical units from the sun. How long does it take light to traverse the interplanetary distances from the sun to Saturn?

80 mintues

How long does it take Jupiter to rotate?

9 hours & 56 mins

What is Saturn's radius and distance?

9.42 & 9.6

Astronomical observations teach us that the age of the universe must be about?

several billion years


Set pelajaran terkait

Introduction to Government Insurance Programs

View Set

Psych 100 - Brains, Bodies, Behavior

View Set

International Business final exam (exam 2)

View Set

Lab + Diagnostic Test 1 (Based on Class of 2019 Quizlet)

View Set

CH.13: International Copyright Protection

View Set

Counseling and Helping Relationships (Helwig)

View Set