- Sat Sep 20, 2025 12:33 pm#8894
37. It will take the Sun around 200 million years to travel around our galaxy.
38. The universe is observed to be 12.8 billion years old.
39. Pluto does have mountains.
40. The closest star system to Earth is Proxima Centauri is 4.25 light-years away.
41. Enceladus, Saturn’s moon, has an icy shell that reflects about 1005 of the light that reaches it.
42. The first person to look into space with a tele-scope was Galileo.
43. When water boils on Earth, it creates thou-sands of little bubbles, but because of lack of gravi-ty, when water boils in space, it produces one gi-ant, undulating bubble.
44. To escape Earth’s gravity, a spacecraft must travel more than 25,008 mph, Mach 33.
45. Since 2021, more than 609 people have been in space.
46. Space is flexible and expanding.
47. Jupiter weighs more than twice as much as all our other planets together.
48. There are two plants with no moons: Mercury and Venus.
49. Jupiter is the largest planet in the solar system and a failed star.
50. Jupiter has a “Great Red Spot,” which is a storm that has been swirling for more than 100 years.
51. Galaxies can “eat” other galaxies.
52. Light takes 8 minutes 22 seconds to reach Earth from the sun’s surface, but 100,000 years from its core.
53. Mars is known as the red planet because it is rich in iron.
54. There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Ura-nus, and Neptune.
55. The International Space Station completes an orbit of Earth in about 90 minutes.
56. Space is completely silent. It is a vacuum with no medium to travel; there are no sound waves.
57. The planets in our solar system are divided in-to two main groups: Terrestrial Planets and Gas Giants.
58. Pluto has been reclassified as a dwarf planet, not a planet.
59. Jupiter has more than double the mass of all the other planets combined.
60. Galaxies are either elliptical, spiral, or irregular. These galaxy types are based on their appearance.
61. A day on Mars is longer than a day on Earth.
62. The footprints on the moon will be there for 100 million years.
63. The Sun is a main-sequence star. One million Earths can fit inside the Sun.
64. The Sun’s mass takes up 99.86% of the solar system.
65. Earth’s atmosphere protects from meteoroids and the Sun’s radiation.
66. If a star passes too close to a black hole, it can be torn apart.
67. The Earth’s moon is the 5th largest moon in the solar system.
68. A volcano on Mars is three times the size of Everest.
69. Mercury is shrinking.
70. There is floating water in space.
71. Venus is the second brightest natural object in the sky.
38. The universe is observed to be 12.8 billion years old.
39. Pluto does have mountains.
40. The closest star system to Earth is Proxima Centauri is 4.25 light-years away.
41. Enceladus, Saturn’s moon, has an icy shell that reflects about 1005 of the light that reaches it.
42. The first person to look into space with a tele-scope was Galileo.
43. When water boils on Earth, it creates thou-sands of little bubbles, but because of lack of gravi-ty, when water boils in space, it produces one gi-ant, undulating bubble.
44. To escape Earth’s gravity, a spacecraft must travel more than 25,008 mph, Mach 33.
45. Since 2021, more than 609 people have been in space.
46. Space is flexible and expanding.
47. Jupiter weighs more than twice as much as all our other planets together.
48. There are two plants with no moons: Mercury and Venus.
49. Jupiter is the largest planet in the solar system and a failed star.
50. Jupiter has a “Great Red Spot,” which is a storm that has been swirling for more than 100 years.
51. Galaxies can “eat” other galaxies.
52. Light takes 8 minutes 22 seconds to reach Earth from the sun’s surface, but 100,000 years from its core.
53. Mars is known as the red planet because it is rich in iron.
54. There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Ura-nus, and Neptune.
55. The International Space Station completes an orbit of Earth in about 90 minutes.
56. Space is completely silent. It is a vacuum with no medium to travel; there are no sound waves.
57. The planets in our solar system are divided in-to two main groups: Terrestrial Planets and Gas Giants.
58. Pluto has been reclassified as a dwarf planet, not a planet.
59. Jupiter has more than double the mass of all the other planets combined.
60. Galaxies are either elliptical, spiral, or irregular. These galaxy types are based on their appearance.
61. A day on Mars is longer than a day on Earth.
62. The footprints on the moon will be there for 100 million years.
63. The Sun is a main-sequence star. One million Earths can fit inside the Sun.
64. The Sun’s mass takes up 99.86% of the solar system.
65. Earth’s atmosphere protects from meteoroids and the Sun’s radiation.
66. If a star passes too close to a black hole, it can be torn apart.
67. The Earth’s moon is the 5th largest moon in the solar system.
68. A volcano on Mars is three times the size of Everest.
69. Mercury is shrinking.
70. There is floating water in space.
71. Venus is the second brightest natural object in the sky.